Extensions::XPathSelectElement Method (XNode^, String^, IXmlNamespaceResolver^)
Selects an XElement using a XPath expression, resolving namespace prefixes using the specified IXmlNamespaceResolver.
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.
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.
This example produces the following output:
<aw:Child1 xmlns:aw="http://www.adventure-works.com">child one data</aw:Child1>
Available since 3.5
Silverlight
Available since 4.0