Microsoft® ADO.NET 2.0 Step by Step, 2nd Edition

Chapter 18. The XmlDataDocument

After completing this chapter, you will be able to:

• Create an XmlDataDocument from a DataSet.

• Create a DataSet from an XmlDataDocument.

• Navigate an XmlDataDocument by using the XML Document Object Model (DOM).

• Execute XPath queries against an XmlDataDocument.

• Create nodes in an XmlDataDocument.

• Retrieve a DataRow from an XmlDataDocument node.

• Retrieve an XmlDataDocument node from a DataRow.

In this chapter, we'll examine the XmlDataDocument, a descendant of the XmlDocument that provides an XML view of the relational data contained in a DataSet.

Understanding the XmlDataDocument

Although the relational data model is efficient, there are times when it is convenient to manipulate data by using the tools that XML provides—the ...