Exploring XPath
XML Path Language (or XPath) is a W3C standard that primarily allows identifying parts of an XML document. In other words, with the help of XPath, you can locate one or several nodes in the XML document. In addition, XPath is used for numerical calculations, string manipulations, testing Boolean conditions, and more. XPath is used by various other W3C specifications, such as XSLT, XQuery, XPointer, and XML Schema. Due to this, XPath technology is one of the more important things that every XML developer should know.
The Microsoft .NET Framework works with the XPath 1.0 W3C recommendation. The classes in System.Xml and System.Xml.XPath namespaces allow the execution of XPath queries and working with the result sets.
The XPath specification ...
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