| Author: UltimateRengan 02 Sep 2008 | Member Level: Diamond | Rating:  Points: 2 |
hi,
http://www.w3schools.com/xml/default.asp
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| Author: Appukuttan 02 Sep 2008 | Member Level: Diamond | Rating: Points: 2 |
Refer:
http://www.beansoftware.com/ASP.NET-Tutorials/Using-XML.aspx
http://www.xml.com/pub/p/777
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| Author: Sneha Singla 02 Sep 2008 | Member Level: Silver | Rating: Points: -20 |
XML is a core technology substrate in .NET. All other parts of the .NET Framework (ASP .NET, Web Services, and so on) use XML as their native data representation format. The .NET Framework XML classes are also tightly coupled with Managed Data Access (ADO .NET). Traditionally, there have always been different programming models for working with relational versus hierarchical data. .NET breaks that tradition by offering a more deeply integrated programming model for all types of data.
The .NET Framework XML classes are partitioned over several namespaces. The core types live in the System.Xml namespace. XPath/XSLT-specific types live in the System.Xml.XPath and System.Xml.Xsl namespaces, respectively (see Figure 1). All three of these namespaces are packaged in the System.Xml.dll assembly. So to start using the .NET Framework XML classes in C#, you must import the right namespaces (through the using directive):
using System.Xml; // now you can use these types
At the core of the .NET Framework XML classes are two abstract classes: XmlReader and XmlWriter. XmlReader provides a fast, forward-only, read-only cursor for processing an XML document stream. XmlWriter provides an interface for producing XML document streams that conform to the W3C's XML 1.0 + Namespaces Recommendations. Applications that want to process XML documents consume XmlReader, while applications that want to produce XML documents consume XmlWriter. Both classes imply a streaming model that doesn't require an expensive in-memory cache. This makes them both attractive alternatives to the classic DOM approach.
XmlReader
XmlReader provides a fast, forward-only cursor for reading XML documents. It hides the complexities of working with the underlying data by serving up the document's Infoset through well-defined methods.
XmlWriter
Like XmlReader, XmlWriter is an abstract class that defines the base functionality required to produce document streams conforming to the W3C's XML 1.0 + Namespaces Recommendations. As illustrated by the earlier example, XmlWriter completely shields applications from the complexities of producing XML document streams by allowing them to work with an Infoset-based API. Producing a document with XmlWriter is very similar to producing documents via SAX (see the SAX XMLWriter helper class). Currently there are two implementations of XmlWriter: XmlTextWriter and XmlNodeWriter (which is coming in a future release). These implementations are just like the reader versions, only they work in the opposite directions.
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