Extensions::XPathSelectElement Method (XNode^, String^, IXmlNamespaceResolver^)

 

Selects an XElement using a XPath expression, resolving namespace prefixes using the specified IXmlNamespaceResolver.

Namespace:   System.Xml.XPath
Assembly:  System.Xml.Linq (in System.Xml.Linq.dll)

public:
[ExtensionAttribute]
static XElement^ XPathSelectElement(
	XNode^ node,
	String^ expression,
	IXmlNamespaceResolver^ resolver
)

Parameters

node
Type: System.Xml.Linq::XNode^

The XNode on which to evaluate the XPath expression.

expression
Type: System::String^

A String that contains an XPath expression.

resolver
Type: System.Xml::IXmlNamespaceResolver^

An IXmlNamespaceResolver for the namespace prefixes in the XPath expression.

Return Value

Type: System.Xml.Linq::XElement^

An XElement, or null.

You can use this method to evaluate XPath expressions that contain namespace prefixes.

The following example creates an XML tree that contains a namespace. It uses an XmlReader to read the XML document. It then gets an XmlNameTable from the XmlReader, and an XmlNamespaceManager from the XmlNameTable. It uses the XmlNamespaceManager when selecting an element.

No code example is currently available or this language may not be supported.

This example produces the following output:

<aw:Child1 xmlns:aw="http://www.adventure-works.com">child one data</aw:Child1>

.NET Framework
Available since 3.5
Silverlight
Available since 4.0
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