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ASP Net Notes1

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    INTRODUCTION

    ASP 2.0 using c# or VB.net

    Database SQL Server, Xm

    !t is use" or $eb "eveo%ment

    .Net Architecture

    ASP.&et $eb A%%ication B'L (in"o$s A%%ication

    'L)

    *S

    B'L Base cass anguage

    'L) 'ommon Language )untime

    *S *%erating S+stem

    CLR

    !t is an environment $ic manages te eecution o co"ing. !t manages-

    /emor+ management

    arbage coection o su%%ort muti%e anguage

    &ote "ierence b3$ 'L) n 4V/ is tat 4V/ on+ su%%ort singe anguage i.e. 5ava6

    BCL

    'oection o stan"ar" cass or common cass $ic $e can use .net su%%orte" anguage

    7.g. - in VB.&et $e use 8integer9 n in c# $e use 8int9 but $e can use 8int1:9, 8int;29 in

    bot.

    &ote ASP.net it is 5ust a tecnoog+ tat runs on server $it some anguage.

    (e must ave common anguage s%eciication or com%ier to run .net.

    Why .Net?

    Po$eru

    )eusabiit+

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    !n $eb "eveo%ment a%%ication run on server. At cient si"e tere is sim%e >tm

    %age $ic is un"erstan" b+ a bro$ser

    Server in .net case is /icrosotrunning n "eveo%ing environment6

    .net is not %atorm in"e%en"ent so $e must ave /icrosot *S on te server an"

    an+ting on cient co? cient on+ ave >/L %age

    .Net Framework

    'onnection o toos, tecnoog+ n anguage $ic $or= togeter to communicate

    on muti%e %atorm.

    o run .net a%%ication $e must ave .net rame$or=

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    4# ';

    /S!L/icrosot !nterme"iate Language m3c in"e%en"ent6

    (e must ave 4! 5ust in time6 com%ier at server $ic ma=e native co"e $ic

    is m3c "e%en"ent n 'P s%eciic

    A$%ata&es o! 'IT(

    4itna co"e cai+e utna i com%ie =arte ai

    7= baar native co"e banana =e baa" "ubara nai banate

    Ty"es o! 'IT(

    P)7

    7'>&*

    &*)/AL

    Com"i#atio mo$es i A)*.Net +.,

    !n %ace com%iation b+ "eaut6

    Singe ie com%ier at run time in $ic canges as been "one.

    se" on te sites $ere canges are "one reguar+

    *ne "isa"vantage o tis is tat $e nee" source co"e6

    Site %re com%iation

    !t use com%ier name as 8ASPnetEcom%ier9.

    !t ma=es com%ii?ation ie or eac ie starting $it 8a%%E$eb9 an" ater tat

    An+ ran"om generate" name i=e abc ----- a%%E$ebi5gt

    +? ----- a%%E$ebg"!t as better %erormance

    !t is ast

    A"v F &o source co"e reGuire"

    Disa"vantage F even singe cange reGuire u com%iation o site

    Re-uiremets !or A)*.Net

    Server

    !!S !nternet inormation service6 it is use" $it 1.1 version

    !t is not oa"e" on XP-ome e"ition

    (e can oa" it troug'ontro %ane --- a"" remove ies--- $in"o$s com%onents

    o cange ome "irector+

    'ontro %ane --- a"m toos --- !!S --- 'S ---$eb sites--- "eaut $eb site)igt cic=6--- Pro%erties --- ome "irector+

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    B+ "eaut 8cHnet%ubH$$$root96

    o cec= $eater server is running or not

    'ontro %ane --- a"m toos --- !!S --- 'S ---$eb sites--- "eaut $eb site)igt cic=6---start3sto%. ! start n sto% is $or=ing !!S is running

    (eb Server incu"e" in version 2.0

    !t can run on XP-ome e"ition

    XP %roessiona $it service %ac= 23

    200; server $it service %ac= 13

    (in 2000 %roessiona service %ac=

    Visua stu"io 200

    First a""#icatio

    P !!S6

    Language Visua basic

    '#

    /tesio

    .as% "esigning or %resentation

    .as%.v" co"e ie VB6

    .as%.cs co"e ie '#6

    'once%t o Partia cass is intro"uce" in ver 2.0 $ic means $e can "ivi"e te

    cass into number o %arts. Beneit o tis s+stem co"euse" b+ s+stem6 can be

    store in one %artia cass n "eveo%er co"e in anoter.

    (e can inerit on+ one cass not muti%e ineritance in .net

    (e "ierciate meto", names%ace, %ro%ert+, cass b+ tere s+mbo

    I J names%ace; boes cass

    Pin= bo meto" etc

    Bi5ai event

    >an" %ro%ert+

    &ames%ace is coection o casses it ma+ be neste"

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    A %roce"ures $ic ave an"es in te en" are events.

    Page oa" event is ire" irst $itout even caing tis event. !t as to %arameters

    1stor reerence an" 2n"or manage event "ata

    (in"o$s reGuire"Soution e%orer

    oobo

    >/L 'ontro bac=groun" com%atibiit+6

    )un on cient si"e an" are bro$ser "e%en"ent(eb Server contro

    )un on server si"e an" are bro$ser in"e%en"entPro%ert+ $in"o$6

    $o t+%es o a+out

    ri" a+out avaiabe in ver 1.16

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    o sto% scroing o $in"o$ $en %age is %oste" bac=

    'e.Smartaigation = true

    o com%ie ine b+ ine cic= in ront o ine $ere u $ant to %ace brea= an" ten

    %ress 10. o a"" t$o numbers

    *extbox+.text = $onert.*oint+,(textbox1.text) -$onert.*oint+,(textbox,.text);

    !n '#

    *extbox+.text=$onert.*ostring($onert.*oint+, (textbox1.text) -$onert.*oint+,(textbox,.text));

    !n Vb.net t+%e casting is automatic but in '# $e ave to "o it manua+.

    o use common an"e i.e. one %roce"ure an"ing more ten one event $e a""

    an"es in te en" o %roce"ure in Vb.net i=e

    andles button+.$li$%/button0.$li$%/ button.$li$%

    !" sender is button + t&enSum

    Else i" sender is button0 t&en'ul

    Else2iide

    !n '#

    (e cange in >/L, use on'ic= meto" or tis %ur%ose

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    Some %eo%e i=e VB.&7s natura anguage, case-insensitive a%%roac, oters i=e '#sterse s+nta. But bot ave access to te same rame$or= ibraries. (e $i "iscuss about

    te "ierences in te oo$ing to%ics

    1. A"vantages o bot anguages2. Me+$or" Dierences

    ;. Data t+%es Dierences

    . *%erators Dierences

    . Programming Dierence

    A$%ata&es o! 1oth #a&ua&es

    VB.&7 '#

    Su%%ort or o%tiona %arameters - ver+

    an"+ or some '*/ intero%erabiit+.

    Su%%ort or ate bin"ing $it *%tion Strict

    o - t+%e saet+ at com%ie time goes out o

    te $in"o$, but egac+ ibraries $ic "ont

    ave strong+ t+%e" interaces become

    easier to use. Su%%ort or name" in"eers.

    Various egac+ VB unctions %rovi"e" in

    te 'i$roso"t.Visual#asi$names%ace,

    an" can be use" b+ oter anguages $it a

    reerence to teMicrosoft.VisualBasic.dll6.

    /an+ o tese can be armu to%erormance i use" un$ise+, o$ever, an"

    man+ %eo%e beieve te+ sou" be avoi"e"

    or te most %art.

    e wit&construct its a matter o "ebate

    as to $eter tis is an a"vantage or not,but its certain+ a "ierence.

    Sim%er in e%ression - %era%s more

    com%icate" in un"erstan"ing6 event

    an"ing, $ere a meto" can "ecare tat it

    an"es an event, rater tan te an"eraving to be set u% in co"e.

    X/L "ocumentation generate" rom

    source co"e comments. is is comingin VB.&7 $it (i"be+ te co"e

    name or te net version o Visua

    Stu"io an" .&76, an" tere are toos

    $ic $i "o it $it eisting VB.&7

    co"e area"+.6 *%erator overoa"ing - again, coming to

    VB.&7 in (i"be+.

    Language su%%ort or unsigne" t+%es

    +ou can use tem rom VB.&7, but

    te+ arent in te anguage itse6. Again,

    su%%ort or tese is coming to VB.&7 in(i"be+.

    7%icit interace im%ementation, $ere

    an interace $ic is area"+

    im%emente" in a base cass can be re-

    im%emente" se%arate+ in a "erive"cass. Arguab+ tis ma=es te cass

    ar"er to un"erstan", in te same $a+tat member i"ing norma+ "oes.

    nsae co"e. is ao$s %ointer

    aritmetic etc, an" can im%rove

    %erormance in some situations.

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    e VB.&7 %arts o Visua Stu"io .&7

    com%ies +our co"e in te bac=groun".

    (ie tis is consi"ere" as an a"vantage orsma %ro5ects, %eo%e creating ver+ arge

    %ro5ects ave oun" tat te !D7 so$s

    "o$n consi"erab+ as te %ro5ect gets arger.

    >o$ever, it is not to be use" igt+, as a

    ot o te norma saet+ o '# is ost as

    te name im%ies6. &ote tat unsae co"eis sti manage" co"e, i.e., it is com%ie"

    to !L, 4!te", an" run $itin te 'L).

    2eywor$ Di!!ereces

    Pur%ose VB.&7 '#

    Decare a variabe Priate, Publi$, 3riend,

    Prote$ted, Stati$1,

    S&ared, 2im

    de$larators=e+$or"s incu"e user-

    "eine" t+%es an" buit-in t+%es6

    Decare a name"

    constant

    4onst $onst

    'reate a ne$ ob5ect ew, 4reate5b6e$t() new

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    !nitiai?e a variabe

    $ere it is "ecare"

    2im x >s Long = 2im $ >s ew _4ar(3uel*7peEnum.8as)

    ?? initialie to a alue@int x = 1,+;?? or use de"ault?? $onstru$tor@int x = new int();

    a=e te a""ress o a

    unction

    >ddress5"

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    Decare a cass

    constant

    4onst $onstA%%ie" to a ie" "ecaration6

    Derive a cass rom abase cass

    !n&erits 4, $lass 41 @ 4,

    *verri"e a meto" 5errides oerride

    Decare a meto" tat

    must be im%emente"in a "eriving cass

    'ust5erride abstra$t

    Decare a meto" tat

    cant be overri""enot5erridable/eto"s

    are not oerridableb+

    "eaut.6

    sealed

    Decare a virtua

    meto", %ro%ert+

    Visua Basic6, or%ro%ert+ accessor

    '#, 'CC6

    5erridable irtual

    >i"e a base cass

    member in a "erive"cass

    S&adowing n3a

    Decare a t+%esae

    reerence to a cass

    meto"

    2elegate delegate

    S%eci+ tat a

    variabe can contain

    an ob5ect $ose

    events +ou $is toan"e

    Ait&Eents (rite co"e - no s%eciic =e+$or"6

    S%eci+ te events or

    $ic an event%roce"ure $i be

    cae"

    andles7vent %roce"ures

    can sti be associate" $it a

    Ait&Eentsvariabe b+

    naming %attern.6

    n3a

    7vauate an ob5ecte%ression once, in

    or"er to access

    muti%e members

    Ait& ob6Expr.memberlso II

    Sortcircuite" Booean*)

    5rElse JJ

    Sco%e resoution . .an" base

    Arra+ eement () 9 :

    +%e cast 4int, 42bl, ..., 4*7pe (t7pe)

    Posti increment n3a --

    Posti "ecrement n3a

    !n"irection n3a unsae mo"e on+6

    A""ress o >ddress5" Iunsae mo"e on+R aso see

    ie"6Logica-&* ot K

    *nes com%ement ot M

    Prei increment n3a --

    Prei "ecrement n3a

    Si?e o t+%e n3a sieo"

    Bit$ise-A&D >nd I

    Bit$ise-ecusive-*) Nor H

    Bit$ise-incusive-*) 5r J

    Logica-A&D>nd II

    Logica-*) 5r JJ

    'on"itiona !" 3un$tion () O@

    Pointer to member n3a .nsae mo"e on+6

    *ro&rammi& Di!!erece

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    Pur%ose VB.&7 '#

    Decaring

    Variabes

    2im x >s !ntegerPubli$ x >s !nteger = 1

    int x;int x = 1;

    'omments D $ommentx = 1 D $omment

    Cem $omment

    ?? $omment? multiline

    $omment ?Assignment

    Statements

    nVal = Q nVal = Q;

    'on"itiona

    Statements

    !" n4nt = n'ax *&en D Same as n*otal =

    D n*otal - n4nt. n*otal -= n4nt

    D Same as n4nt = n4nt - 1. n4nt -= 1Else n*otal -= n4nt n4nt = 1End !"

    i" (n4nt = n'ax){ n*otal -= n4nt; n4nt--;else{ n*otal -=n4nt; n4nt;

    Seection

    Statements

    Sele$t 4ase n 4ase 'sg#ox (ReroR)

    D Visual #asi$ .E* exits D t&e Sele$t at

    D t&e end o" a 4ase. 4ase 1 'sg#ox (R5neR) 4ase ,

    'sg#ox (R*woR) 4ase Else 'sg#ox (R2e"aultR)End Sele$t

    swit$&(n){ $ase @4onsole.AriteLine(ReroR); brea%; $ase [email protected](R5neR); brea%; $ase ,@4onsole.AriteLine(R*woR);

    brea%; de"[email protected](ROR); brea%;

    s !nteger = 1

    publi$ Sub *est() S7stem.4onsole.AriteLine( _ R*est in #ase4lsR)

    publi$ $lass #ase4ls{ ?? *&e element to be&idden publi$ int = 1;

    publi$ oid *est()

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    End SubEnd 4lass

    Publi$ 4lass 2er4ls !n&erits #ase4ls D *&e s&adowing element.

    Publi$ S&adows >s String =RR publi$ S&adows Sub *est() S7stem.4onsole.AriteLine( _ R*est in 2er4lsR) End SubEnd 4lass

    Publi$ 4lass Bse4lasses D 2er4ls widens to #ase4ls.2im #5b6 >s #ase4ls =

    ew 2er4ls() D >$$ess t&roug& deriedD $lass.

    2im 25b6 >s 2er4ls =ew 2er4ls()

    Publi$ Sub S&ow() S7stem.4onsole.AriteLine( _ R>$$essed t&roug& base RI_ R$lass@ R I #5b6.) S7stem.4onsole.AriteLine(_ R>$$essed t&roug& deried RI_ R$lass@ R I 25b6.) #5b6.*est() 25b6.*est() End Sub

    End 4lass

    {S7stem.4onsole.AriteLine( R*est in #ase4lsR);

    publi$ $lass 2er4ls @#ase4ls{ ?? *&e &iding element publi$ new string = RR; publi$ new oid *est() {S7stem.4onsole.AriteLine( R*est in 2er4lsR);

    publi$ $lass Bse4lasses{ ?? 2er4ls widens to#ase4ls #ase4ls #5b6 = new2er4ls();

    ?? >$$ess t&roug& deried ??$lass2er4ls 25b6 = new

    2er4ls();publi$ oid S&ow()

    {

    S7stem.4onsole.AriteLine( R>$$essed t&roug& R - Rbase $lass@ {R/

    #5b6.);S7stem.4onsole.AriteLine( R>$$essed t&roug&R - R deried $lass@{R/ 25b6.); #5b6.*est(); 25b6.*est();

    (>!L7Loo%s

    D *est at start o" loopA&ile n 1 . D Same as n = n - 1. n -= 1End A&ile D

    w&ile (n 1) n--;

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    Parameter

    Passing b+

    Vaue

    D *&e argument T isDpassed b7 alue.Publi$ Sub >#4( _ #7Val 7 >s Long)D!" >#4 $&anges 7/ t&eD $&anges do not a""e$t x.

    End Sub>#4(x) D 4all t&e pro$edure.D Tou $an "or$e parameters toD be passed b7 alue/D regardless o" &owD t&e7 are de$lared/D b7 en$losingD t&e parameters inD extra parent&eses.>#4((x))

    ? ote t&at t&ere isno wa7 to pass re"eren$et7pes (ob6e$ts) stri$tl7b7 alue. Tou $an $&ooseto eit&er pass t&e re"eren$e(essentiall7 a pointer)/ or

    a re"eren$e to t&e re"eren$e(a pointer to a pointer).??? *&e met&od@oid >#4(int x){ ...?? 4alling t&e met&od@>#4(i);

    ParameterPassing b+

    )eerence

    Publi$ Sub >#4(#7Ce" 7 >s Long)D *&e parameter 7 is de$laredDb7 re"ere$e@D !" >#4 $&anges 7/ t&e $&angesareD made to t&e alue o" x.End Sub

    >#4(x) D 4all t&e pro$edure.

    ? ote t&at t&ere is nowa7 to pass re"eren$e t7pes(ob6e$ts) stri$tl7 b7alue.Tou $an $&oose to eit&erpass t&e re"eren$e(essentiall7 a pointer)/or a re"eren$e to t&ere"eren$e (a pointer to apointer).??? ote also t&at unsa"e 4U??met&ods $an ta%e pointers??6ust li%e 4-- met&ods. 3or??details/ see unsa"e.?? *&e met&od@oid >#4(re" int x)

    { ...?? 4alling t&e met&od@>#4(re" i);

    Structure"

    7ce%tion>an"ing

    *r7 !" x = *&en *&row ew Ex$eption( _ Rx euals eroR) Else *&row ew Ex$eption( _ Rx does not eual eroR) End !"

    4at$& err >s S7stem.Ex$eption 'sg#ox( _ RError@ R I Err.2es$ription)3inall7 'sg#ox( _ RExe$uting "inall7 blo$%.R)End *r7

    ?? tr7$at$&"inall7tr7{ i" (x == ) t&row newS7stem.Ex$eption( Rx euals eroR); else

    t&row newS7stem.Ex$eption( Rx does not eualeroR);$at$& (S7stem.Ex$eption err){ S7stem.4onsole.AriteLine( err.'essage);

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    "inall7{ S7stem.4onsole.AriteLine( Rexe$uting "inall7blo$%R);

    Set an*b5ect

    )eerence

    to &oting

    o = ot&ing o = null;

    !nitiai?ing

    Vaue +%es

    2im dt as ew S7stem.2ate*ime( _ ,1/ 0/ 1,/ ,,/ 1W/ 0X/ Y00)

    S7stem.2ate*ime dt =new S7stem.2ate*ime(,1/ 0/ 1,/ ,,/ 1W/

    0X/ Y00);

    New Features o! 1oth #a&ua&es i +,,3 %ersio

    VB.&7 '#

    Visua Basic 200 as man+ ne$ an" im%rove"

    anguage eatures -- suc as ineritance,

    interaces, overri"ing, sare" members, an"

    overoa"ing -- tat ma=e it a %o$eru ob5ect-oriente" %rogramming anguage. As a Visua

    Basic "eveo%er, +ou can no$ createmutitrea"e", scaabe a%%ications usinge%icit mutitrea"ing. is anguage as

    oo$ing ne$ eatures,

    1. 4ontinueStatement, $ic

    imme"iate+ s=i%s to te net iteration

    o a 2o, 3or, or A&ileoo%.

    2. !soto%erator, $ic +ou can avoi"

    (it te reease o Visua Stu"io 200,

    te '# anguage as been u%"ate" to

    version 2.0. is anguage as oo$ing

    ne$ eatures

    1. 4eerics ty"esare a""e" to teanguage to enabe %rogrammers

    to acieve a ig eve o co"e

    reuse an" enance" %erormanceor coection casses. eneric

    t+%es can "ier on+ b+ arit+.

    Parameters can aso be orce" tobe s%eciic t+%es.

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    using te otan" !so%erators in an

    a$=$ar" or"er.

    ;. Bsing...End. Bsingstatement boc=

    ensures "is%osa o a s+stem resource

    $en +our co"e eaves te boc= or

    an+ reason.0. Publi$ Sub setbigbold( _. #7Val $ >s 4ontrol)W. Bsing n" >s ew _Q. S7stem.2rawing.3ont(R>rialR/_Y. 1,.3/ 3ontSt7le.#old)X. $.3ont = n"1. $.*ext = R*&is isR I_11. R1,point >rial boldR1,. End Bsing

    End Sub

    1;. /"#icit 5ero Lower Bou$ o a

    Array, Visua Basic no$ %ermits an

    arra+ "ecaration to s%eci+ te o$erboun" 06 o eac "imension aong $it

    te u%%er boun".1. Usi&e$ Ty"es, Visua Basic no$

    su%%orts unsigne" integer "ata t+%es

    BS&ort, B!nteger, an" BLong6 as $e

    as te signe" t+%e S#7te.

    1. O"erator O%er#oa$i&, Visua Basic

    no$ ao$s +ou to "eine a stan"ar"o%erator suc as -, I, ot, or 'od6 on a

    cass or structure +ou ave "eine".

    1:. *artia# Ty"es, to se%arate generate"co"e rom +our autore" co"e into

    se%arate source ies.

    1@. Visua Basic no$ su%%orts t+%e%arameters on generic casses,

    structures, interaces, %roce"ures, an"

    "eegates. A corres%on"ing t+%e

    argument s%eciies at com%iation timete "ata t+%e o one o te eements in

    te generic t+%e.

    1N. Custom %ets. ou can "ecare

    custom events b+ using te 'ustom=e+$or" as a mo"iier or te Eent

    statement. !n a custom event, +ous%eci+ eact+ $at a%%ens $en

    co"e a""s or removes an event an"er

    to or rom te event, or $en co"eraises te event.

    1O. Com"i#er Checki& O"tios, e

    2. Iteratorsma=e it easier to "ictate

    o$ a or eac oo% $i iterate

    over a coections contents.+. ?? !terator Example0. publi$ $lass um4&ar. {

    W. string9: saum = {Q. R5neR/ R*woR/ R*&reeR/Y. R3ourR/ R3ieR/ RSixR/X. RSeenR/ REig&tR/ RineR/1. ReroR;11. publi$1,.

    S7stem.4olle$tions.!Enumerator

    1+. 8etEnumerator()10. {1. "orea$& (string num in

    saum)

    1W. 7ield return num;1Q. 1Y. 1X. ?? 4reate an instan$e o",. ?? t&e $olle$tion $lass,1. um4&ar oum4&ar = new

    um4&ar();,,. ?? !terate t&roug& it wit&

    "orea$&,+. "orea$& (string num in

    oum4&ar),0. 4onsole.AriteLine(num);

    2. Partialt+%e "einitions ao$ a

    singe t+%e, suc as a cass, to bes%it into muti%e ies. e VisuaStu"io "esigner uses tis eature to

    se%arate its generate" co"e rom

    user co"e.2:. Nullablet+%es ao$ a variabe

    to contain a vaue tat is

    un"eine".2@. Anonymous6etho$is no$

    %ossibe to %ass a boc= o co"e as

    a %arameter. An+$ere a "eegate

    is e%ecte", a co"e boc= can beuse" instea" ere is no nee" to

    "eine a ne$ meto".,Y. button1.4li$% -=,X. delegate

    { 'essage#ox.S&ow(R4li$%KR) ;

    ;0. . e ames"ace a#ias -ua#i!ier

    @@6 %rovi"es more contro over

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    3no$arn an" 3$arnaserror o%tions

    %rovi"e more contro over o$

    $arnings are an"e". 7ac one o tesecom%ier o%tions no$ ta=es a ist o

    $arning !Ds as an o%tiona %arameter,

    to s%eci+ to $ic $arnings te o%tiona%%ies.

    20. ere are eigt ne$ comman"-ine

    com"i#er o"tios(

    a. e7co$e"a&eo%tion s%eciies$ic co"e%age to use $en

    o%ening source ies.

    b. e 7$oco%tion generates anX/L "ocumentation ie base"

    on comments $itin +our co"e.

    c. e 7errorre"orto%tion

    %rovi"es a convenient $a+ tore%ort a Visua Basic interna

    com%ier error to /icrosot.

    ". e7!i#ea#i&o%tion s%eciieste si?e o sections in +our

    out%ut ie.

    e. e 7oco!i&o%tion causes tecom%ier to ignore te Vbc.rsp

    ie.

    . e 7ost$#i1o%tion %reventste im%ort o mscorlib.dll,

    $ic "eines te entire S+stemnames%ace.

    g. e 7"#at!ormo%tion s%eciies

    te %rocessor to be targete" b+

    te out%ut ie, in tose

    situations $ere it is necessar+to e%icit+ s%eci+ it.

    . e 7ui!yo%tion su%%resses

    $arnings resuting rom a

    mismatc bet$een te versions

    o "irect+ an" in"irect+reerence" assembies.

    accessing names%ace members.

    e goba @@aias ao$s to

    access te root names%ace tatma+ be i""en b+ an entit+ in +our

    co"e.

    ;1. Staticc#assesare a sae an"convenient $a+ o "ecaring a

    cass containing static meto"s

    tat cannot be instantiate". !n '#v1.2 +ou $ou" ave "eine" te

    cass constructor as %rivate to

    %revent te cass being

    instantiate".;2. N. ere are eigt ne$ com"i#er

    o"tios

    a. 7#a&%ersio o%tion 'an

    be use" to s%eci+com%atibiit+ $it a

    s%eciic version o teanguage.

    b. 7"#at!ormo%tion 7nabes

    +ou to target !P< !A: or!tanium6 an" A/D:

    arcitectures.

    c. 8"ra&ma$arning se" to

    "isabe an" enabein"ivi"ua $arnings in

    co"e.". 7#ikresourceo%tion

    'ontains a""itiona

    o%tions.

    e. 7errorre"orto%tion 'anbe use" to re%ort interna

    com%ier errors to

    /icrosot over te

    !nternet.

    . 7keycotaieran"

    7key!i#e Su%%orts%eci+ing cr+%togra%ic

    =e+s.

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    VALIDATION AND C9C2)

    Vai"ations are %rovi"e" b+ /icrosot in Vb.net

    )un on cient site.

    !n as% 4avaScri%t $i not run i cient site "ont ave 4avaScri%t

    !n .net i not 5scri%t at cient ten te+ run on server.

    Ty"es o! %a#i$ators

    ere are : t+%es o vai"ators

    )eGuire" ie" vai"ator or em%t+ cec=6.

    'om%are vai"ator. (e can com%are

    contros i=e %ass$or" n conirm %ass$or"6

    vaue age must be greater ten 1N6

    "ata t+%e cec= saar+ must be no.6

    )ange vai"ator

    )eguar e%ression vai"ator

    Pre "eine ormat vai" emai a""ress6

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    'ustom vai"ator

    Vai"ation summar+

    (eb.!.Vai"ation.5s is te ie name in $ic 5scri%t o a tese vai"ator are

    avaiabe.

    (e not abe to associate contros $it vai"ators in ASP.&et 1.1 but can "o tis in

    2.0 7.g. 8username n %ass9 an" searc is cec= b+ "ierent button.

    Re-uire$ !ie#$ %a#i$atio "ro"erties

    controoVai"atename o tetbo to cec=

    et message

    Com"are %a#i$atio "ro"erties

    controoVai"atename o irst tetbo to cec=

    et

    message controoVai"atename o secon" tetbo to cec=

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    Va#i$atio summary

    7= 5aga sare error n asteris= sign in ront o error

    et %ro%ert+ vaue "is%a+ on vai"ator an" error message "is%a+ on te vai"ation

    summar+.

    et Terror/essage 7m%no em%t+

    o run vai"ation summar+ $e nee" a button

    o ma=e %o%u% $in"o$ go to vai"ation summar+ %ro%ert+

    So$/essageBotrue

    So$ Summar+ ase

    A""ition %ro%erties in version 2.0

    set te causes vai"ation %ro%ert+ to ase to "isabe te vai"ation o button

    vai"ation grou% %ro%ert+ o vai"ator tetbo, vai"ationSummar+ n o button6

    o Vai"ationrou% a %ro%ert+ o vai"ator

    o Setocuson7rrorto go "irect+ to te error %oint s=i% correct %aces.

    A"" more tan one %age in $ebsite 'ic= on $ebsite a"" ne$ item $eborm6

    o /a=e startu% %age go to soution e%orerrigt cic= on %age set as start

    %age6.

    o go to ne$ %age $e ave ; meto"s

    o )es%onse.re"irect6

    o Server.transer6

    o Server.eecute6

    o go to net %age b+ button

    o )es%onse.re"irect8"eaut.as%96

    o go to net %age b+ +%erin= %ro%erties

    o et net

    o &avigate )L"eaut.as%

    (en $e $ant to move to net %age $itout submitting te current %age $e use

    +%erin=.

    Basic Cotro#s i .et

    cec=bo

    $&e$%box1_$&e$%ed $&anged eent{

    !"($&e$%box.$&e$%ed == true){

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    *extbox1."ont.bold = true;Else{

    *extbox1."ont.bold = "alse;

    o $eb server contro as %ro%ert+

    autoPostBac=to ma=e te %age submit $en tere vaue canges

    co? a $eb server contro acce%t vaue ater cic=ing

    on button.

    )a"io button

    o Pro%ert+ rou%&ame to mention te grou%.

    o e+ ave on+ seecte" $enever $e cic= on tem not ic= cec=bo.

    radiobutton_$&e$%ed $&anged eent{

    *extbox1."ore$olor = $olor.red

    o (e must incu"e a names%ace to use coor

    sing S+stem.Dra$ingR

    'ec=bo ist

    o DataBoun" contro it is coection o cec=boes

    o seu $en $e $ant to ma=e cec=boes at runtime.

    o Pro%erties

    )e%eat coumns vaue

    )e%eat "irection vertica3 ori?onta

    o ; meto" o "eining te cec=boes

    7"it items Seecte" b+ "eaut seecte"

    7nabe" "isabe to user to cange it

    )un time "ata entr+Page_load{

    !"(page.isPost#a$% == "alse)

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    {4&e$%boxlist1.itms.add(Zab$[);4&e$%boxlist1.itms.add(Zx7[);

    /* For collection We must have namespace

    Using System.collection

    !ollection is data structure to store items

    "rraylist

    array of ob#ects $hich increase its si%e dynamically.

    by default has si%e e&ual to ' characters.

    */

    >rra7list arr = new >rra7List();arr.add(Zab$[);

    arr.add(Zx7);

    $&e$%boxlist1.dataSour$e = arr;$&e$%boxlist1.data#ind();

    // both these methods $or( together

    4&e$%boxlist1.items9:.enabled = "alse;

    #utton1_$li$%{

    3or(int+, i=;i$&e$%boxlist1.items.$ount; i--){

    !"($&e$%boxlist1.item9i:.sele$ted==true)*extbox1.text-=$&e$%boxlist1.item9i:.

    text -[Fn[;

    etbo %ro%ert+

    etmo"e muti%e ine to "is%a+ "ata in muti%e ine6

    o store "ierent vaue in cec=bo at bein"

    i""en name vaue, "is%a+ nametet6

    o a"" vaue ie"

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    'ec=boist1.items.a""ne$ ist!tem8aa9,91966Ro retrieve vaue

    'ec=boist1.itemsUi.vaueR

    DATABA) 9ANDLIN4

    Dierence bet$een /sAccess an" SQL

    !n orace K SQL tere are triggers, %roce"ure, unctions, cursor genera+ =no$ as

    com%ie ob5ects $ic are store in "atabase an" eecute" in "atabase on+ "ue to

    $ic traic $i not so$ "o$n. Database server an" a%%ication server are t$o "ierent tings.

    Store %roce"ure once eecute", net time te %roce"ure $i be aster tan beore.

    Less s%ace in access.

    Less securit+ in access.

    *race is OO.OW use" b+ te tose com%anies $ic ave o$n server.

    !n (eb "eveo%ment OOW $e use SQL.

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    ADO.Net ActiveX Data *b5ect6

    !t is an environment $ic is "esign b+ /icrosot or "atabase an"ing.

    $o main com%onents

    o X/L it is incense ree, %atorm in"e%en"ent an" te astest $a+ o "atatranser 6.

    o Disconnecte" a%%roac "ata is co%ie" at a%%ication server an" te connect

    $it te "atabase server is "isconnecte" so tat origina "ata $i remainuntouce"6.

    !t "esign $ie aving $eb a%%ication in min".

    Data1ase coecti%ity

    ere are $a+s o connectivit+ $it "atabase

    o *DB' *%en DataBase 'onnectivit+6 Used to connect to each n

    o *L7DB *b5ect Lin=ing K 7mbe""ing6 every server

    o SQL'ient s%eciica+ use" $it /s SQL server. !t is incu"e" in .net6

    o *)A'L7'ient s%eciica+ use" $it *race server. !t is incu"e" in .net6

    Better performance and !ompatibility

    $o main ies are tere

    o .m" /icrosot "atabase ie6o ." og "atabase ie6

    o create "atabase

    o Vie$server e%orer

    o !n ast tere is 8server9 to =no$ te server name

    o Data connectionrigt cic=6 create ne$ SQL server DB

    o /ention tese ie"s

    Server namesac

    se SQL server autentication

    sername

    8sa9 "eaut6 &e$ "atabase name "bem%o+ee

    o &o$ tis "bem%o+ee $i be a""e" in "ata connection

    o Sac."bem%o+ee taberigt cic=6 a"" ne$ tabe

    o /ention coumn name an" "ata t+%e as

    7no int

    7name varcar06

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    7a""ressvarcar06

    7sa int

    Dierence bet$een varcar an" nvarcar is tat varcar uses AS'!! an" nvarcar

    uses nico"e.

    (eb.conig ie

    o !t is use" to store connection string. !t is to mani%uate it i server name, ui"canges instea" o going to eac n ever+ %age $e 5ust cange it in $eb.conig.

    o &on com%ie ie $ere as mo"ue as to com%ie

    o X/L base", 'ase sensitive

    o Secure in version 2.0 $e cant vie$ te ie $itout co"ing6

    o !nteigence e% is %rovi"e" in version 2.0

    o !t can be muti%e in singe %ro5ect but macine.conig is singe in one %ro5ect.

    o !t is or %ro5ect coniguration e.g. securit+ setting, session setting etc

    o o a"" $eb.conig

    (ebsitea"" ne$ item$eb con ie

    o A"" connection string in tis ieconnection stringY

    a"" nameZ9nonu9 connectionStringZ9serverZsacR "atabaseZ"bem%o+eeR

    (ey

    ui"ZsaR %$"Za"min93Y

    )t is used if u have

    mentioned pass$ord

    3connection stringY

    o Server name in connection string is not com%usor+ i ur server is sames+stem $ere a%%ication is running.

    o !n 1.0 $e a"" connection string in a%%settingsY tag

    7g. a"" =e+Z9cs9 vaueZ9"atabaseZ"bem%Rui"Zsa9Y

    An" 7cess tis as conigurationSetting.A%%SettingsU8cs9

    Dierence bet$een

    o >as stores =e+ as $e as vaue

    o Arra+stores on+ vaue

    (e sou" a""

    Bsing S7stem.data.S\L4lient;4lass_de"ault{ S\L4onne$tion $on = new S\L4onne$tion();

    // S+!onnection class is used to establish connection

    Page_load

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    { *&is.smartaigation = true;

    // in c, $e use -this and in VB.et $e use -me

    4on.$onne$tionString =

    4on"iguration'anager.4onne$tionString9Znonu[:. $onne$tionString;

    // !onfigurationManager is used to read connection string.

    !" ($on.State ==4onne$tionState.4losed){

    4on.open();

    // open01 ma(e connection active 2 ma(e connectivity $ith S+ server.// before using open01 $e must chec( the state of connection other$ise

    problem of connection pooling occur.

    // run this much if it page opens that means connectivity is o(

    // don3t insert control directly on page co% it $ill not loo( going $hen the resolution

    changes.

    !"(page.isPost#a$% == "alse)textbox1.text=get>uto().toString();

    #utton1_$li$% // save

    {S\L$ommand $md = new sl$ommand();

    // S+!ommand bridge bet$een data and database. Used for save4 delete4 update4

    display $md.4ommand*ext.=[!nsert into t&emp

    alues(]eno/]en/]ed]es)[;

    // command5e6t is used to specify &uery or store procedure4 7eno are parameters $ith

    are used at runtime

    $md.$ommand=$on;

    // connection established

    $md.parameters.add(Z]eno[/sldbt7pe.!nt).alue =$onert.*o!nt+,(textbox1.text);

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    $onert.*o!nt+,(textbox1.text);$md.parameters.add(Z]en[/sldbt7pe.Var$&ar/ ).

    alue =textbox,.text;$md.exe$uteon\uer7();

    $md.dispose();

    textbox1.text = Z Z;textbox,.text = Z Z;textbox+.text = Z Z;textbox0.text = Z Z;

    Dis"#ay co$e

    #utton0_$li$%{

    S\L$ommand $md = new sl$ommand();$md.$ommand*ext =[sele$t "rom tbemp[;$md.$onne$tion = $on;

    S\L2ataCeader dr;

    /*

    S+9ata:eader is used to vie$ data4

    )t is read only.

    For$ard only 0 only go in for$ard direction1

    )t is the fastest $ay of data retrieval. Se&uential read.

    o need of -ne$ operator.

    )t is segantal class used to pass reference #ust li(e abstract class.

    We should close it after using it co% other$ise $e can3t use it again li(e static

    method it has only one memory.

    */

    2r = $md.Exe$uteCeader ();

    // 86ecute:eader #ust e6ecute the &uery n store the data in variable0#ust for display1

    Listbox1.data*ext3ield =[ename[;

    // 9ata5e6tField display the data in listbo6

    Listbox1.dataValue3ield =[empno[;

    // value at the bac( side of listbo6 0not visible1

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    Listbox1.2ataSour$e = dr;Listbox1.2ata#ind();

    2r.$lose();

    $md.dispose();

    Set te autoPostBac= %ro%ert+ o istbo1 eGua to true.

    Listbox1_sele$ted!ndex4&anged{

    S\L$ommand $md = new sl$ommand ();$md.$ommand*ext=[sele$t "rom dbemp w&ere empno =

    ]eno[;$md.$ommand=$on;$md.parameters.add (Z]eno[/ sldbt7pe.!nt).alue =

    $onert.*o!nt+, (listbox1.sele$tedValue);

    $md.parameters.add (Z]eno[/ sldbt7pe.!nt).alue = $onert.*o!nt+, (listbox1.sele$ted!tem.text);

    // selectedValue to get the value behind the data selected

    // selected)tem.te6t to get the value display in the listbo6

    Sl2ataCeader dr;2r = $md.Exe$uteCeader();

    !"(dr.asCows){

    2r.Cead(); // to read the ne6t line*extbox1.*ext = dr 9Zempno[:.*oString();*extbox1.*ext = dr 9Zename[:.*oString();*extbox1.*ext = dr 9Zeaddress[:.*oString();*extbox1.*ext = dr 9Zesal[:.*oString();

    // convert the data to string co% by default they are ob#ects

    2r.$lose();$md.dispose();

    o generate te auto numbers i=e account no., em%no

    Priate !nt+, get>uto(){

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    S\L$ommand $md = new sl$ommand (); $md.$ommand*ext=[sele$t isull(max(empno)/ ) "rom

    tbemp[;

    $md.$onne$tion = $on;

    !nt+, r = $onert.*o!nt+,($md.exe$uteS$alar()) - 1;

    // e6ecuteScalar for &uery $hich return single value4 if multiple value is there

    then

    )t returns first column3s fist value.

    $md.dispose();Ceturn r;

    )TOR *ROCDUR)

    e+ can %ass maimum 102 numbers o %arameters

    ere are ; t+%es o %arameters

    o !n%ut 5ust to %ass te vaue6

    o *ut%ut 5ust to return te vaue6

    o !n%ut3out%ut $e can %ass as $e as return vaue6

    e+ can return vaue

    Pre com%ie ob5ects

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    Dierence bet$een unction an" %roce"ure

    o *E PC54E2BCE insemp(

    ]eno int/]en ar$&ar()/]ed ar$&ar()/]es int

    )>S

    !nsert into tbemp alues(]eno/]en/]ed/]es)

    (en $e save tis ')7A7 $i automatica+ canges to AL7) tat means in

    uture $e can on+ ater tis %roce"ure.

    ! $e "ont s%eci+ te si?e in varcar ten it $i store on+ one caracter.

    U"$ate "roce$ure

    4CE>*E PC54E2BCE updemp(

    ]eno int/]en ar$&ar()/]ed ar$&ar()/]es int

    )

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    >SBpdate tbemp set ename = ]en/ eaddress = ]ed/ esal =

    ]es w&ere empno = ]eno

    De#ete "roce$ure

    4CE>*E PC54E2BCE delemp(

    ]eno int)>S

    2elete tbemp w&ere empno = ]eno.

    Dis"#ay "roce$ure

    4CE>*E PC54E2BCE dispemp>S

    Sele$t "rom tbemp.

    Fi$ "roce$ure

    4CE>*E PC54E2BCE "indemp(

    ]eno int)>S

    Sele$t "rom tbemp w&ere empno = ]eno

    (e can store more tan one Guer+ in one %roce"ure $en $e "o more tan one $or=

    in a singe ste% i=e $en $e cic= on button ten Save n %"ate $i run

    simutaneous.

    Autheticatio "roce$ure

    'reate tabe tbuser6

    o name varcar06

    o %ass varcar06

    4CE>*E PC54E2BCE login4&e$%(]u ar$&ar()/]p ar$&ar()

    )>S

    2e$lare ]ap ar$&ar()SELE4* ]ap = upass "rom tbuser w&ere uname = ]u

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    !" ]ap is nullCeturn 1

    Else!" ]ap = ]p

    Ceturn 1ElseCeturn ,

    ! $e "ont $rite an+ting in ront o %arameter ten b+ "eaut te+ are o t+%e in%ut.

    ! uname is not vai" ten seect statement return nu in [a%.

    &o$ instea" o $riting comman" in ront en" $e $rite tese t$o ines

    o 'm".comman"etZ9;rocedure name9R

    o 'm".comman"+%eZcomman"+%e.StoreProce"ureR

    'omman"+%e tes us te t+%e o comman".

    o enter "ata "irect+ to tabe rigt cic= on te tabe in te server e%orer

    so$ tabe "ata.

    A"" t$o tree accounts in te tabe

    Design te ront vie$ "esign o ogin screen

    Bsing S7stem.data.S\L4lient;4lass_de"ault{

    S\L4onne$tion $on = new S\L4onne$tion;Page_load{

    4on.$onne$tionString = $on"iguration'anager. $onne$tionString9Znonu[:.$onne$tionSting;

    i" ($on.state = = $onne$tionState.$losed){

    4on.open();

    Priate !nt+, $&e$%user(String u/ String p){

    S\L4ommand $md = new S\L4ommand();$md.$ommand*ext = Zlogin4&e$%[;

    $md.$ommand*7pe = $ommand*7pe.StorePro$edure$md.pamameter.add(Z]u[/S\LVb*7pe.ar$&ar/ ).alue=u;

    $md.pamameter.add(Z]p[/S\LVb*7pe.ar$&ar/ ).alue=p;

    // to receive the value return by procedure $e must ma(e a parameter

    S\LParameter p1 = new S\LParameter(Z]ret[/

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    S\L2bt7pe.!nt);P1.2ire$tion = Parameter2ire$tion.returnValue;

    // returnValue is the

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    o >ea"er tem%ate

    o

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    boo=Pub varcar06

    boo=Price int

    boo=!mg varcar06// $e can also store this in binary

    o A"" t$o tree recor"s in te tabe.

    o rgs e){ rep#ind();priate oid rep#ind(){

    Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t "rom

    tbboo%R/4on"iguration'anager.4onne$tionStrings 9R$sR:.4onne$tionString);

    // S&l9ata"dapter al$ays used $ith disconnection approach. )t implicit open 2 close the

    !onnection

    2ataSet ds = new 2ataSet();

    /* 9ataSet

    !ollection of table

    8&ual to 9ata:eader

    We can set the relations

    Very important point is that it read and $rite data in =M+ format

    5ypes

    o 5ype 9ataSet

    We define the structure at design time

    ;erformance is better than untype 9ataSet

    We use it in reports or $hen $e (no$ fi6ed no. of columns

    86tension.6sd

    o Untype 9ataSet

    9efine structure at run time

    9ata is also added at run time ;erformance is slo$

    We use this if $e don3t (no$ fi6ed no of column

    */ adp.3ill(ds);

    // Fillcreate connection4 open it4 e6ecute &uery4 put data in 9ataSet close connection

    Cepeater1.2ataSour$e = ds; Cepeater1.2ata#ind();

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    o to >/L o "eaut.as%

    asp@Cepeater !2=RCepeater1R runat=RsererRsp *ag Pre"ix< K Cepeater *ag amemt(!nt+, pr$)

    { return pr$ 4al2is(pr$);

    Tem"#ate

    (or=ing an" time o a te tem%ate are ie".

    *r"er "oesnt "isturb te $or=ing o tem%ates.

    !n item tem%ate

    o (e "eine on+ singe ro$ "is%a+ ormat.

    o !t $i run again n again accor"ing to te number o ro$s.

    >ea"er tem%ate

    o !t $i run on+ once or ea"ing

    o !ts te irst tem%ate, $ic $i run.

    /L.

    Aternating item tem%ates $or= $it item tem%ates aternating.

    )e%eater me "ierent coumn $aa conce%t nai ota.

    Data#ist

    o "is%a+ "ata in muti%e coumn.

    (e can mani%uate "ata e"it, "eete, u%"ate6

    &o %aging.

    &o "eaut tem%ate

    @ tem%ates are a%%icabe

    o !tem tem%ate

    o >ea"er tem%ate

    o

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    Pace "ataList rom toobo

    A"" $eb conig ie an" ma=e connection string.

    Bsing S7stem.2ata.Sl$lient;

    Priate oid List#ind(){

    Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t "rom tbboo%R/4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet();

    adp.3ill(ds); 2ataList1.2ataSour$e = ds; 2ataList1.2ata#ind();

    Page_load {

    !"(page.isPost#a$%=="alse)List#ind();

    !n >/L

    asp@2ataList

    b

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    o auto ormat cic= on DataList as=s Auto

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    {2ataList1.Edit!tem!ndex = 1;List#ind();

    2ataList1_Bpdate4ommand(sour$e/ e){String title/ aut&or/ pub;!nt+, pr$;*itle=((textbox)(e.!tem.3ind4ontrol(Zt1[))).text;>ut&or =((textbox)(e.!tem.3ind4ontrol(Zt,[))).text;Pub =((textbox)(e.!tem.3ind4ontrol(Zt+[))).text;Pr$=4onert.*o!nt+,(((textbox)

    (e.!tem.3ind4ontrol(Zt0[))).text);bid = 4onert.*o!nt+,

    (2ataList1.2ata`e7s9e.!tem.!tem!ndex:); Sl4onne$tion $on = new Sl4onne$tion();

    $on.4onne$tionString = 4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString;

    i" ($on.State == 4onne$tionState.4losed)

    { $on.5pen(); Sl4ommand $md = new Sl4ommand();

    $md.4ommand*ext = Rupdate tbboo% set boo%*itle=]title/

    boo%>ut&or =]aut&or/ boo%Pub=]pub/ boo%Pri$e=]pr$ w&ere boo%!d=]bidR;

    $md.4onne$tion = $on;

    $md.Parameters.>dd(RtitleR/ Sl2b*7pe.Var4&ar/ ).Value = title;$md.Parameters.>dd(Raut&orR/ Sl2b*7pe.Var4&ar/ ).Value=aut

    $md.Parameters.>dd(RpubR/ Sl2b*7pe.Var4&ar/ ).Value = pub;

    $md.Parameters.>dd(Rpr$R/ Sl2b*7pe.!nt).Value = pr$; $md.Parameters.>dd(RbidR/ Sl2b*7pe.!nt).Value = bid;

    $md.Exe$uteon\uer7(); $md.2ispose();

    2ataList1.Edit!tem!ndex = 1; List#ind();

    o ma=e "irect connection $it "atabase $itout co"ing $e use SGDataSource

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    o !t is use" $it 2 F tier arcitecture

    o $o a+ers in 2 F tier arcitecture are

    Data Access La+er

    Presentation La+er

    o se" or "atabase connectivit+, to rea", insert, u%"ate etc.

    Pace SGDataSource rom toobo an" cic= on SGDataSource tas=s

    'onigure Data Sourceseect Databasegive name to connectionString mar=

    te cec=bo i u $ant tis connection

    String sou" a""e" in $eb.conig ie6

    Seect tabeten seect coumns ten cic= inis.

    'ic= on DataList as=s 'oose Data Source SGDataSource1.

    o cec= $eter tis SGDataSource is connecte" or "isconnecte" a%%roac

    'ic= on te %ro%erties o SGDataSource DataSource/o"e

    Data)ea"erconnecte" a%%roac6 3 DataSet"isconnecte" a%%roac6

    !n >/L

    !tem*emplate< b

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    asp@Lin%#utton !2=Rlb1R *ext=RBpdateR 4ommandame=

    RupdateR runat=serer

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    T3pd = (2ataList1.2ata`e7s9e.item.item!ndex:).*oString();Sl2ataSour$e1.BpdateParameter9Zpid[:.2e"aultValue=pd;Sl2ataSour$e1.update();2atalist1.Edit!tem!ndex = 1;

    2atalist1.databind();

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    :. *RODUCT) WIT9 C9C2BOdapter adp = new Sl2ata>dapter(Rsele$t "rom tbboo%R/4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet(); adp.3ill(ds);

    2ataList1.2ataSour$e = ds; 2ataList1.2ata#ind();

    #utton_$li$% {

    String st=[[;3or(int+, i=; i2ataList.item.$ount;i--;){

    $&e$%box $=($&e$%box)(2atalist1.item9!:.3ind4ontrol(Z$b[));

    i"($.$&e$%ed ==true)

    st -=2ataList1.2ata`e79!:.toString() -[/[;St = st.Substring(/st.lengt&1);

    Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t "rom produ$tsw&ere produ$t !n(Z-st-[)[)/4on"iguration'anager.

    4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet();adp.3ill(ds);

    2ataList,.2ataSour$e = ds;2ataList,.2ata#ind();

    !n >/L

    asp@2ataList1

    b

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    :. DI)*LA; )LCTD DATA IN Tdapter adp = new Sl2ata>dapter(Rsele$t "rom tbboo%R/4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet();

    adp.3ill(ds);

    2ataList1.2ataSour$e = ds; 2ataList1.2ata#ind();Page_load{

    !"(page.isPost#a$%=="alse)List#ind();

    2ataList1_Sele$ted!ndex4&anged{ String st;

    st = Rsele$t "rom tbboo% w&ere boo%!d=R -2ataList1.2ata`e7s9sele$ted!ndex:.*oString();

    Sl2ata>dapter adp = new Sl2ata>dapter(st/ 4on"iguration'anager. 4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet(); adp.3ill(ds); ??*ext#ox1.*ext=ds.*ables9:.Cows9:

    9Rboo%*itleR:.*oString(); ??*ext#ox,.*ext = ds.*ables9:.Cows9: 9Rboo%>ut&orR:.*oString();

    ??*ext#ox+.*ext = ds.*ables9:.Cows9: 9Rboo%PubR:.*oString(); ??*ext#ox0.*ext = ds.*ables9:.Cows9: 9Rboo%PrieR:.*oString();

    // 9S is an ob#ect n is very heary so it3s not good to call it again n again. We should use

    properties4 method4 variable but not ob#ects

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    2ataCowView r;

    339ata:o$Vie$ class only accept single ro$.

    r=ds.*ables9:.2e"aultView9:;

    *ext#ox1.*ext = r9:9Rboo%*itleR:.*oString(); *ext#ox,.*ext =r9:9Rboo%>ut&orR:.*oString(); *ext#ox+.*ext = r9:9Rboo%PubR:.*oString(); *ext#ox0.*ext = r9:9Rboo%Pri$eR:.*oString();

    !n >/L

    asp@2ataList

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    :. /L

    &ead runat=RsererR< title

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    "un$tion $olor(id) { ar e1;

    e1=do$ument.getElement#7!d(D&D-id); i"(e1) { e1.st7le.$olor=DblueD; "or(ar i=;iW;i--) { i"(i==id) { i--; e,=do$ument.getElement#7!d(D&D-i); i"(e,) { e,.st7le.$olor=Dbla$%D; ?s$riptdd(R]pagenumberR/Sl2b*7pe.!nt).Value=pg;

    $md.Parameters.>dd(R]pagesieR/ Sl2b*7pe.!nt).Value = nor;

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    $md.4onne$tion = $on; Sl2ataCeader dr; dr = $md.Exe$uteCeader(); dr.Cead();

    !nt+, total/t; total = 4onert.*o!nt+,(dr9:); i" (total G nor == ) { t = 4onert.*o!nt+,(total ? nor); else { t = 4onert.*o!nt+,(total ? nor -1); Label1.*ext = pg.*oString(); Label,.*ext = Ro"R; Label+.*ext = t.*oString();

    !nt+, i; >rra7List arr = new >rra7List(); arr.>dd(RR); "or (i = 1; i = 4onert.*o!nt+,(Label+.*ext); i--) { arr.>dd(i.*oString()); arr.>dd(R

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    { #utton1.Enabled = "alse; #utton,.Enabled = "alse; i" (pg == 4onert.*o!nt+,(Label+.*ext))

    { #utton+.Enabled = "alse; #utton0.Enabled = "alse;

    2rop2ownList1_Sele$ted!ndex4&anged(sender/ e) { Page#ind(1);

    prote$ted oid #utton1_4li$%(sender/ e)//First { Page#ind(1);

    prote$ted oid #utton,_4li$%(sender/ e)//previous { Page#ind(4onert.*o!nt+,(Label1.*ext) 1);

    prote$ted oid #utton+_4li$%(sender/ e)//e6t { Page#ind(4onert.*o!nt+,(Label1.*ext) - 1);

    prote$ted oid #utton0_4li$%(sender/ e)//+ast { Page#ind(4onert.*o!nt+,(Label+.*ext));

    oid 2ataList,_Sele$ted!ndex4&anged(sender/e) { i" (2ataList,.Sele$ted!ndex==) { i" ((4onert.*o!nt+,(Label1.*ext))K= 1) { Page#ind(4onert.*o!nt+,(Label1.*ext) 1);

    else i"(2ataList,.Sele$ted!ndex==2ataList,.!tems.4ount1)) { i"((4onert.*o!nt+,(Label1.*ext))K=(2ataList,.!tems.4ount ,)) { Page#ind(4onert.*o!nt+,(Label1.*ext) - 1);

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    else {

    Page#ind(2ataList,.Sele$ted!ndex);

    I 9T6L

    asp@2ataList !2=R2ataList1R runat=RsererR< !tem*emplate< b< ame@ ?b

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    4RIDVIW

    o "is%a+ "ata in ro$s K coumns. (e can mani%uate "ata e"it, "eete, an" u%"ate6.

    Auto e"it, "eete, seect

    !nbuit %aging

    !nbuit sorting

    'oumn boun"

    N tem%ates are a%%icabe

    o !tem tem%ate

    o >ea"er tem%ate

    o

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    // if parameter name is e&ual to columns name then no need of added

    parameter to &uery

    o DeeteQuer+

    Deete rom tbboo= $ere boo=!"Z[boo=!"

    8ridView1_Sele$ted!ndex4&anged(sender/ e){ *ext#ox1.*ext = 8ridView1.Sele$tedCow.4ells91:.*ext; *ext#ox,.*ext = 8ridView1.Sele$tedCow.4ells9,:.*ext; *ext#ox+.*ext = 8ridView1.Sele$tedCow.4ells9+:.*ext; *ext#ox0.*ext = 8ridView1.Sele$tedCow.4ells90:.*ext; *ext#ox.*ext = 8ridView1.Sele$tedCow.4ells9:.*ext;

    With Co$i&

    Page_Load(ob6e$t sender/ Eent>rgs e){

    i" (Page.!sPost#a$% == "alse) { 8rd#ind(); priate oid 8rd#ind(){ Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t "rom tbboo%R/

    4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet();

    adp.3ill(ds); 8ridView1.2ataSour$e = ds; 8ridView1.2ata#ind();prote$ted oid 8ridView1_CowEditing(sender/ e){ 8ridView1.Edit!ndex = e.ewEdit!ndex; 8rd#ind();

    8ridView1_Cow4an$elingEdit(sender/ e){ 8ridView1.Edit!ndex = 1; 8rd#ind();8ridView1_CowBpdating(sender/ e){ Sl4onne$tion $on = new Sl4onne$tion();

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    $on.4onne$tionString = 4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); Sl4ommand $md = new Sl4ommand();

    $md.4ommand*ext =Rupdate tbboo% set boo%*itle=]title/boo%>ut&or=

    ]aut&or/ boo%Pub=]pub/ boo%Pri$e=]pri$e w&ere boo%!d=]idR; $md.4onne$tion = $on; $md.Parameters.>dd(R]idR/Sl2b*7pe.!nt).Value= 4onert.*o!nt+,

    (((Label)(8ridView1.Cows9e.Cow!ndex:.3ind4ontrol(RlR))).*ext);

    $md.Parameters.>dd(R]titleR/ Sl2b*7pe.Var4&ar/ ).Value =

    ((*ext#ox)(8ridView1.Cows9e.Cow!ndex:.3ind4ontrol(Rtb1R))).*ext;

    $md.Parameters.>dd(R]aut&orR/ Sl2b*7pe.Var4&ar/ ).Value =((*ext#ox)(8ridView1.Cows9e.Cow!ndex:.3ind4ontrol(Rtb,R))).*ext;

    $md.Parameters.>dd(R]pubR/ Sl2b*7pe.Var4&ar/ ).Value =((*ext#ox)(8ridView1.Cows9e.Cow!ndex:.3ind4ontrol(Rtb+R))).*ext;

    $md.Parameters.>dd(R]pri$eR/Sl2b*7pe.!nt).Value=4onert.*o!nt+,(((*ext#ox)(8ridView1.Cows9e.Cow!ndex:.3ind4ontrol(Rtb0R))).*ext);

    $md.Exe$uteon\uer7(); $md.2ispose(); 8ridView1.Edit!ndex = 1; 8rd#ind();

    8ridView1_Cow2eleting(sender/ e){ !nt+, eno;

    // add 9ata?eyame in AridVie$ ;roperty eno = 4onert.*o!nt+,(8ridView1.2ata`e7s 9e.Cow!ndex:9:); Sl4onne$tion $on = new Sl4onne$tion(); $on.4onne$tionString = 4on"iguration'anager.

    4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext=Rdelete "rom tbboo% w&ere boo%!d=]idR;

    $md.4onne$tion = $on;

    $md.Parameters.>dd(R]idR/Sl2b*7pe.!nt).Value= eno; $md.Exe$uteon\uer7(); $md.2ispose(); 8ridView1.Edit!ndex = 1; 8rd#ind();

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    I 9T6L

    asp@8ridView !2=R8ridView1R runat=RsererRlign =

    oriontal>lign.4enter; e.Cow.4ells.Cemoe>t(,); e.Cow.4ells.Cemoe>t(1); i" (e.Cow.4ells9:.*ext == RameR) { e.Cow.#a$%4olor = 4olor.4&o$olate;

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    :UR; ANAL;5R

    seect isnu categor+name,.oata6,isnu %ro"uctname,Sub ota6, sumunit%rice6

    unit%rice,sumunitsinstoc=6 unitsinstoc= rom %ro"ucts a, categories b $erea.categor+!"Zb.categor+!" grou% b+ categor+name, %ro"uctname $it rou%

    33 Seect me $oi coumn name aa+ege 5o grou% b+ me "eine ote ai33 rou% is a$a+s use $it 8grou% b+9

    33 is Guer+ $i re%ace a nu $it 8Sub ota9 it not cec= $ere it is en" o categor+ or nu in %ro"uct name coumn tat + $e use secon" Guer+.

    TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT

    seect case $engrou%ingcategor+name6Z16 ten .ota ese categor+name en"

    categor+name,case $engrou%ing%ro"uctname6Z16 ten Sub ota ese %ro"uctnameen" %ro"uctname, sumunit%rice6 unit%rice,sumunitsinstoc=6 unitsinstoc= rom %ro"ucts,

    sumunit%rice6 unit%rice,sumunitsinstoc=6 unitsinstoc= rom %ro"ucts a, categories b

    $ere a.categor+!"Zb.categor+!" grou% b+ categor+name, %ro"uctname $it rou%a, categories b $ere a.categor+!"Zb.categor+!" grou% b+ categor+name, %ro"uctname

    $it rou%

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    :. ADD IT6) IN TABL

    Pace ri"vie$

    A"" (eb conig ie n ma=e connection string

    ri"vie$%ro%erties autoenrate'oumns ase

    'ic= on te tas=s menu o gri"vie$ 7"it em%ate

    'ic= on 7m%no in "is%a+ an" in its em%ate a"" $at so ever contro u $ant

    ten cic= on a""e" "ata bin"ings an" $rite co"e in co"e e%ression i=e7va8em%no966

    Do same or oter cooums.

    (en $e mention comman" name o our coice ten tat is come un"er

    )o$'omman" event

    using S7stem.2ata.Sl4lient;

    publi$ partial $lass _2e"ault @ S7stem.Aeb.B!.Page{ Sl4onne$tion $on = new Sl4onne$tion();

    prote$ted oid Page_Load(ob6e$t sender/ Eent>rgs e) { i" (KPage.!sPost#a$%) { 8rd#ind();

    priate oid 8rd#ind() { Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t "rom tbempR/

    4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString); 2ataSet ds = new 2ataSet(); adp.3ill(ds); 8ridView1.2ataSour$e = ds; 8ridView1.2ata#ind(); prote$ted oid 8ridView1_Cow4ommand(sender/ e) {

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    i" (e.4ommandame == Sae) { !nt+, eno/ es; String en/ eadd; eno= 4onert.*o!nt+,(((Label) (8ridView1.3ooterCow.3ind4ontrol(Rlabel+R))).*ext);

    es= 4onert.*o!nt+,(((*ext#ox) (8ridView1.3ooterCow.3ind4ontrol(RtextboxWR))).*ext); en = ((*ext#ox) (8ridView1.3ooterCow.3ind4ontrol(Rtextbox,R))).*ext; eadd = ((*ext#ox) (8ridView1.3ooterCow.3ind4ontrol(Rtextbox0R))).*ext;

    i" ($on.State == 4onne$tionState.4losed) { $on.4onne$tionString = 4on"iguration'anager.

    4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); Sl4ommand $md = new Sl4ommand();

    $md.4ommand*ext = Rinsert into tbempalues(]eno/]en/]eadd/]es)R;

    $md.4onne$tion = $on; $md.Parameters.>dd(R]enoR/ Sl2b*7pe.!nt).Value=eno; $md.Parameters.>dd(R]enR/ Sl2b*7pe.Var4&ar/).Value=en; $md.Parameters.>dd(R]eaddR/ Sl2b*7pe.Var4&ar/ ).Value=eadd; $md.Parameters.>dd(R]esR/ Sl2b*7pe.!nt).Value = es;

    $md.Exe$uteon\uer7();

    // $e can also use adp.insert!ommand cmd$md.2ispose();

    8rd#ind();

    publi$ !nt+, >uto8en() { Sl4ommand $md = new Sl4ommand();

    i" ($on.State==4onne$tionState.4losed) {

    $on.4onne$tionString = 4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); $md.4ommand*ext = Rsele$t isull(max(empno)/ ) "rom tbempR;

    $md.4onne$tion = $on;

    !nt+, r = 4onert.*o!nt+,($md.Exe$uteS$alar())- 1;

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    $md.2ispose(); return r;

    prote$ted oid 8ridView1_CowEditing(sender/e)

    { 8ridView1.Edit!ndex = e.ewEdit!ndex; 8rd#ind(); prote$ted oid 8ridView1_Cow2eleting(sender/ e) { !nt+, eno;

    // add 9ata?eyame in AridVie$ ;roperty eno = 4onert.*o!nt+,(8ridView1.2ata`e7s 9e.Cow!ndex:9:);

    i" ($on.State == 4onne$tionState.4losed) { $on.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext = Rdelete "rom tbemp w&ere empno=]enoR;

    $md.4onne$tion = $on;

    $md.Parameters.>dd(R]enoR/ Sl2b*7pe.!nt).Value=eno;

    $md.Exe$uteon\uer7(); $md.2ispose();

    8rd#ind();prote$ted oid 8ridView1_CowBpdating(sender/ e){ !nt+, eno/ es; String en/ eadd; eno = 4onert.*o!nt+,(((Label)(8ridView1.Cows9e.Cow!ndex:.

    3ind4ontrol(Rlabel,R))).*ext); es = 4onert.*o!nt+,(((*ext#ox) (8ridView1.Cows9e.Cow!ndex:.

    3ind4ontrol(RtextboxR))).*ext); en = ((*ext#ox)(8ridView1.Cows 9e.Cow!ndex:.3ind4ontrol(Rtextbox1R))).*ext; eadd = ((*ext#ox)(8ridView1.Cows9e.Cow!ndex:. 3ind4ontrol(Rtextbox+R))).*ext;

    i" ($on.State == 4onne$tionState.4losed) { $on.4onne$tionString = 4on"iguration'anager.

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    4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext = Rupdate tbemp set ename=]en/ eaddress=]eadd/ esal=]es w&ere empno=]enoR;

    $md.4onne$tion = $on;

    $md.Parameters.>dd(R]enoR/ Sl2b*7pe.!nt).Value = eno; $md.Parameters.>dd(R]enR/ Sl2b*7pe.Var4&ar/ ).Value = en; $md.Parameters.>dd(R]eaddR/ Sl2b*7pe.Var4&ar/).Value=eadd; $md.Parameters.>dd(R]esR/ Sl2b*7pe.!nt).Value = es;

    $md.Exe$uteon\uer7();

    $md.2ispose(); 8ridView1.Edit!ndex = 1; 8rd#ind();

    prote$ted oid 8ridView1_Cow4an$elingEdit(sender/ e) { 8ridView1.Edit!ndex = 1; 8rd#ind();

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    :. TO DI)*LA; DATA IN T

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    G] Page Language=R4UR EnableEventValidation="false"...Grgs e) { i"(KPage.!sPost#a$%) { Sl4onne$tion $on = new Sl4onne$tion();

    $on.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$sR:.4onne$tionString; $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext = Rsele$t "rom tbboo%R; $md.4onne$tion = $on; Sl2ataCeader dr = $md.Exe$uteCeader(); !nt+, i; "or (i = ; i dr.3ield4ount; i--) { 4&e$%#oxList1.!tems.>dd(dr.8etame(i).*oString()); 33 to get te vaue o tat coumn $e can use etVaue

    prote$ted oid #utton1_4li$%(sender/ Eent>rgs e) { String st = RR; !nt+, i; "or (i = ; i 4&e$%#oxList1.!tems.4ount; i--)

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    { i" (4&e$%#oxList1.!tems9i:.Sele$ted == true) { st -= 4&e$%#oxList1.!tems9i:.*ext - R/R;

    st = st.Substring(/ st.Lengt& 1); String st1 = Rsele$t R - st - R "rom tbboo%R; Sl2ata>dapter adp=new Sl2ata>dapter(st1/4on"iguration 'anager.4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet();

    adp.3ill(ds); 8ridView1.2ataSour$e = ds; 8ridView1.2ata#ind();

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    ! %arameter name are "ierent rom coumns name

    2etailsView1_!temBpdating(sender/ e) { Sl2ataSour$e1.BpdateParameters9RenoR:.2e"aultValue =

    e.`e7s9:.*oString();//"nother $ay

    ??Sl2ataSour$e1.BpdateParameters9RenoR:.2e"aultValue=((*ext#ox) (2etailsView1.Cows9:.4ells91:.4ontrols9:)).*ext;

    Sl2ataSour$e1.BpdateParameters9RenR:.2e"aultValue =e.ewValues91:.*oString();

    /* $henever $e use update then t$o arrays are ma(e one contaning old values other $ith ne$ values. )n $e refer to array $ith values as e$ValuesC D*/

    Sl2ataSour$e1.BpdateParameters9RedR:.2e"aultValue =e.ewValues9,:.*oString();

    Sl2ataSour$e1.BpdateParameters9ResR:.2e"aultValue =e.ewValues9+:.*oString();

    2etailsView1_!tem!nserting(sender/ e) { Sl2ataSour$e1.!nsertParameters9RenoR:.2e"aultValue=((*ext#ox) (2etailsView1.Cows9:.4ells91:.4ontrols9:)).*ext;

    Sl2ataSour$e1.!nsertParameters9RenR:.2e"aultValue=((*ext#ox)

    (2etailsView1.Cows91:.4ells91:.4ontrols9:)).*ext;

    Sl2ataSour$e1.!nsertParameters9RedR:.2e"aultValue=((*ext#ox)

    (2etailsView1.Cows9,:.4ells91:.4ontrols9:)).*ext;

    Sl2ataSour$e1.!nsertParameters9ResR:.2e"aultValue=((*ext#ox) (2etailsView1.Cows9+:.4ells91:.4ontrols9:)).*ext;

    2etailsView1_!tem2eleting(sender/ e) { Sl2ataSour$e1.BpdateParameters9RenoR:.2e"aultValue=

    e.`e7s9:.*oString();

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    DTAIL VIW WIT9 CODIN4

    Pace DetaiVei$

    A"" (eb 'onig

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    &e$ 'omman"&ame ne$6

    Deete'omman"&ame "eete6

    7"it!tememetbo7"itDataBin"ingco"e7va8esa96

    %"ate 'omman"&ameu%"ate6

    'ance 'omman"&ame'ance6

    !nsert!temetbo7"itDataBin"ingco"e7va8esa96

    Save 'omman"&ame!nsert6

    'ance 'omman"&ame 'ance6

    o 7m%t+ Data em%ate//5o sho$ table if no data available

    !temem%Lin=Buttons

    A"" Data to abe 'omman"&amene$6

    using S7stem.2ata.Sl4lient;

    publi$ partial $lass _2e"ault @ S7stem.Aeb.B!.Page{ prote$ted oid Page_Load(ob6e$t sender/ Eent>rgs e) { i" (KPage.!sPost#a$%) { 2etail#ind(); priate oid 2etail#ind() { Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t "rom tbempR/

    4on"iguration'anager.4onne$tionStrings9R$sR:.4onne$tionString);

    2ataSet ds = new 2ataSet();

    adp.3ill(ds); 2etailsView1.2ataSour$e = ds; 2etailsView1.2ata#ind(); prote$ted oid 2etailsView1_'ode4&anging(sender/ e) { i" (e.ew'ode == 2etailsView'ode.Edit)

    { 2etailsView1.4&ange'ode(2etailsView'ode.Edit);

    // for 8dit)tem5emplate else i" (e.ew'ode == 2etailsView'ode.!nsert) { 2etailsView1.4&ange'ode(2etailsView'ode.!nsert);

    // for )nsert)tem5emplate

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    else { 2etailsView1.4&ange'ode(2etailsView'ode.Cead5nl7);

    // for )tem5emplate

    2etail#ind();

    prote$ted oid 2etailsView1_!tem2eleting(sender/ e){ !nt+, eno; eno = 4onert.*o!nt+,(((Label)(2etailsView1. Cows9:.3ind4ontrol(Rlabel1R))).*ext);

    Sl4onne$tion $on = new Sl4onne$tion();

    $on.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$sR:.4onne$tionString;

    $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext = Rdelete "rom tbemp w&ere empno=]enoR;

    $md.4onne$tion = $on; $md.Parameters.>dd(R]enoR/ Sl2b*7pe.!nt).Value = eno;

    $md.Exe$uteon\uer7(); $md.2ispose();

    2etail#ind();prote$ted oid 2etailsView1_!tem!nserting(Sender/ e){ !nt+, eno/ es;

    String en/ ed; eno = 4onert.*o!nt+,(((*ext#ox)(2etailsView1. Cows9:.3ind4ontrol(Rtextbox1R))).*ext);

    en = ((*ext#ox)(2etailsView1.Cows91:.

    3ind4ontrol(Rtextbox+R))).*ext;

    ed = ((*ext#ox)(2etailsView1.Cows9,:.

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    3ind4ontrol(RtextboxR))).*ext;

    es = 4onert.*o!nt+,(((*ext#ox)(2etailsView1.Cows9+:. 3ind4ontrol(RtextboxQR))).*ext); Sl4onne$tion $on = new Sl4onne$tion();

    $on.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$sR:.4onne$tionString; $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext = Rinsert into tbemp

    alues(]eno/]en/]ed/]es)R; $md.4onne$tion = $on; $md.Parameters.>dd(R]enoR/ Sl2b*7pe.!nt).Value = eno; $md.Parameters.>dd(R]esR/ Sl2b*7pe.!nt).Value = es;$md.Parameters.>dd(R]enR/Sl2b*7pe.Var4&ar/ ).Value=en;

    $md.Parameters.>dd(R]edR/Sl2b*7pe.Var4&ar/).Value= ed;

    $md.Exe$uteon\uer7(); $md.2ispose();

    2etailsView1.4&ange'ode(2etailsView'ode.Cead5nl7); 2etail#ind(); prote$ted oid 2etailsView1_!temBpdating(sender/ e) { !nt+, eno/ es;

    String en/ ed; eno = 4onert.*o!nt+,(((Label)(2etailsView1.Cows9:. 3ind4ontrol(Rlabel,R))).*ext); en = ((*ext#ox)(2etailsView1.Cows91:. 3ind4ontrol(Rtextbox,R))).*ext; ed = ((*ext#ox)(2etailsView1.Cows9,:. 3ind4ontrol(Rtextbox0R))).*ext; es = 4onert.*o!nt+,(((*ext#ox)(2etailsView1.Cows9+:. 3ind4ontrol(RtextboxWR))).*ext);

    Sl4onne$tion $on = new Sl4onne$tion();

    $on.4onne$tionString = 4on"iguration'anager.

    4onne$tionStrings9R$sR:.4onne$tionString; $on.5pen(); Sl4ommand $md = new Sl4ommand(); $md.4ommand*ext = Rupdate tbemp set ename=]en/

    eaddress=]ed/esal=]es w&ere empno=]enoR;

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    $md.4onne$tion = $on; $md.Parameters.>dd(R]enoR/Sl2b*7pe.!nt).Value = eno; $md.Parameters.>dd(R]esR/Sl2b*7pe.!nt).Value = es; $md.Parameters.>dd(R]enR/Sl2b*7pe.Var4&ar/).Value=en; $md.Parameters.>dd(R]edR/Sl2b*7pe.Var4&ar/).Value=ed;

    $md.Exe$uteon\uer7(); $md.2ispose(); 2etailsView1.4&ange'ode(2etailsView'ode.Cead5nl7); 2etail#ind(); prote$ted oid 2etailsView1_Page!ndex4&anging(sender/ e) { 2etailsView1.Page!ndex = e.ewPage!ndex; 2etail#ind();

    :. TO )LCT *RODUCT TO ) T9 DTAIL)

    Pace Dro% Do$n List

    o coose "ata source SGDataSource1

    o 7nabe PostBac=

    Pace ri" Vie$

    o coose "ata source SGDataSource2

    o 7nabe Seect button

    Pace Detai Vie$

    o coose "ata source SGDataSource;

    A"" SGDataSource1

    o !n 8&ort(in"9 "atabase cose 8categories9 tabe in $ic seect

    8categor+!"9, 8categor+&ame9 coumns

    A"" SGDataSource2

    o !n 8&ort(in"9 "atabase cose 8Pro"uct9 tabe in $ic seect

    8Pro"uct!"9, 8Pro"uct&ame9,9nitPrice9 coumns

    o 'ic= on $ere button set

    'oumn 'ategor+!"

    *%erator Z

    Source 'ontro

    'ontro!" Dro%Do$nList

    o 'ic= on a"" button

    A"" SGDataSource;

    o !n 8&ort(in"9 "atabase cose 8Pro"uct9 tabe in $ic seect 8T9

    coumns

    o 'ic= on $ere button set

    'oumn Pro"uct!"

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    *%erator Z

    Source 'ontro

    'ontro!" ri"Vie$

    o 'ic= on a"" button

    :. TO )LCT *RODUCT TO *URC9A) AND C9C2 DTAIL

    Pace Dro% Do$n List

    Pace ri"Vie$1

    Pace ri"Vie$2

    Pace Lin=Buttons So$ List, A"" items to List, Seect A, Deseect A6

    using S7stem.2ata.Sl4lient;

    publi$ partial $lass _2e"ault @ S7stem.Aeb.B!.Page{ prote$ted oid Page_Load(ob6e$t sender/ Eent>rgs e) { i" (KPage.!sPost#a$%) { 2rop2own#ind(); 8rd#ind(); priate oid 2rop2own#ind()

    { t&is.Smartaigation = true; Sl4onne$tion $on = new Sl4onne$tion(); $on.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$sR:.4onne$tionString; $on.5pen(); Sl4ommand $md = new Sl4ommand();

    $md.4ommand*ext = RSele$t 4ategor7ame/4ategor7!d "rom

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    4ategoriesR;

    $md.4onne$tion = $on; Sl2ataCeader dr; dr = $md.Exe$uteCeader(); 2rop2ownList1.2ata*ext3ield = R4ategor7ameR; 2rop2ownList1.2ataValue3ield = R4ategor7!dR; 2rop2ownList1.2ataSour$e = dr; 2rop2ownList1.2ata#ind(); dr.4lose(); $md.2ispose(); priate oid 8rd#ind() { String st = RSele$t "rom Produ$ts a/Suppliers b w&ere

    a.Supplier!d=b.Supplier!d and 4ategor7!d=R -2rop2ownList1.Sele$tedValue.*oString();

    Sl2ata>dapter adp=new Sl2ata>dapter(st/

    4on"iguration'anager.4onne$tionStrings9R$sR:. 4onne$tionString);

    2ataSet ds = new 2ataSet(); adp.3ill(ds); 8ridView1.2ataSour$e=ds; 8ridView1.2ata#ind(); 2rop2ownList1_Sele$ted!ndex4&anged( sender/ e) { 8rd#ind();

    prote$ted oid Lin%#utton0_4li$%(sender/ e) { t&is.Smartaigation = true; !nt+, i; "or (i = ; i 8ridView1.Cows.4ount; i--) { 4&e$%#ox $b = (4&e$%#ox)(8ridView1.Cows9i:. 3ind4ontrol(R$bR)); $b.4&e$%ed = true;

    prote$ted oid Lin%#utton+_4li$%(sender/ e) { t&is.Smartaigation = true; !nt+, i; "or (i = ; i 8ridView1.Cows.4ount; i--) { 4&e$%#ox $b = (4&e$%#ox)(8ridView1.Cows9i:. 3ind4ontrol(R$bR));

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    $b.4&e$%ed = "alse;

    prote$ted oid Lin%#utton,_4li$%(sender/ e)

    { Sl4onne$tion $on1 = new Sl4onne$tion(); $on1.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$s1R:.4onne$tionString;

    $on1.5pen();

    Sl4ommand $md = new Sl4ommand(); $md.4onne$tion = $on1; "or (!nt+, i = ; i 8ridView1.Cows.4ount; i--) { 4&e$%#ox $b = (4&e$%#ox)(8ridView1.Cows9i:. 3ind4ontrol(R$bR));

    i" ($b.4&e$%ed == true) { String pn; !nt+, p; pn =((Label)(8ridView1.Cows9i:. 3ind4ontrol(Rl1R))).*ext; p = 4onert.*o!nt+,(((Label)(8ridView1. Cows9i:.3ind4ontrol(Rl,R))).*ext); $md.4ommand*ext = Rinsert into tbpur$

    alues(]pnR-i-R/]pR-i-R)R; $md.Parameters.>dd(R]pnR-i/

    Sl2b*7pe.Var4&ar/ ).Value = pn; $md.Parameters.>dd(R]pR-i/Sl2b*7pe.!nt).Value = p;

    $md.Exe$uteon\uer7(); $md.2ispose();

    prote$ted oid Lin%#utton1_4li$%1(sender/ e) { 8rd#ind,();

    priate oid 8rd#ind,() { Sl2ata>dapter adp = new Sl2ata>dapter(Rsele$t $ase w&en(

    grouping (Produ$tame)=1) t&en D*otalD else Produ$tame endProdu$tame/ sum(Pri$e) Pri$e "rom tbpur$ group b7 Produ$tame

    wit& rollupR/ 4on"iguration'anager.4onne$tionStrings 9R$s1R:.4onne$tionString);

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    2ataSet ds = new 2ataSet(); adp.3ill(ds); 8ridView,.2ataSour$e = ds; 8ridView,.2ata#ind();

    prote$ted oid 8ridView,_Cow4ommand(sender/ e) { i" (e.4ommandame == R#u7R) { Sl4onne$tion $on1 = new Sl4onne$tion(); $on1.4onne$tionString = 4on"iguration'anager. 4onne$tionStrings9R$s1R:.4onne$tionString;

    $on1.5pen();

    Sl4ommand $md = new Sl4ommand(); $md.4onne$tion = $on1; $md.4ommand*ext = Rdelete "rom tbpur$R;

    $md.Exe$uteon\uer7();

    $md.2ispose();

    I 9T6L

    st7le t7pe=Rtext?$ssR< .ab${"ontsie@larger;"ontweig&t@bold .x7{2ispla7@none;isibilit7@&idden?st7le


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