Understanding XPath
Access and Manipulate XML Data: Use XPath to query XML data.
To pass the exam, you should also have basic knowledge of XPath. XPath is another W3C standard, formally known as the XML Path Language. XPath is described by the W3C as “a language for addressing parts of an XML document.” The .NET implementation of XPath supports the Version 1.0 Recommendation standard for XPath, which you can find at www.w3.org/TR/xpath.
You can think of XPath as being a query language, conceptually similar to SQL. Just as SQL allows you to select a set of information from a table or group of tables, XPath allows you to select a set of nodes from the DOM representation of an XML document. In this section, I'll introduce you to the basic syntax ...
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