Session 4

Working with XML

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Session Objectives Work with XML Work with XML using the DOM Discuss the Service Control Manager Create a Windows Service program Create a Service Configuration program

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Introduction (1) XML forms an integral part of

computing Acts as a universal glue Binds together varied formats of

database to connect and exchange data C# applications can utilize and benefit

from XML

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Introduction (2) The System.XML namespace handles

XML in .NET XMLReader & XMLWriter classes are

used to read and write XML documents XML Document Object Model

implementation in .NET

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Introduction (3) Validating XML documents using the

XMLValidatingReader class Creating XML files from an ADO.NET

record set

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System.XML namespace This namespace contains a number of

classes that help us process XML documents

XMLReader

XMLWriter

XMLTextReader

XMLTextWriter

XMLDocument

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Writing an XML file (1) Example 1

Contd....

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Writing an XML file (2)

Contd....

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Output in an XML file Output -

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Reading an XML file Example 2 -

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Reading an XML file Output -

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Validation Type property The XMLValidatingReader includes a

ValidationType property which is set to the type of validation that needs to be done

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DTD file for XML Example 3

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Validating XML data (1) Example 4

Contd....

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Validating XML data (2) Example 4

Contd…

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Validating XML data Output -

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DOM in .NET (1) Example 4 -

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DOM in .NET (2) Output -

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Adding data to an XML document (1) Example 5

Contd....

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Adding data to an XML document (2)

Contd....

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Contents of Phone.XML Output -

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Modifying data in an XML document (1) Example 6

Contd....

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Modifying data in an XML document (2)

Contd…

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Modifying data in an XML document

Output -

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Phone.XML modified Output -

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Writing an ADO.NET dataset to an XML file Example 7 -

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MyProducts.XML Output -

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Creating an ADO.NET dataset from an XML file (1) Example 8 -

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Creating an ADO.NET dataset

from an XML file (2) Output -