XmlValidatingReader::LookupNamespace Method (String^)

 

Resolves a namespace prefix in the current element's scope.

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

public:
virtual String^ LookupNamespace(
	String^ prefix
) override

Parameters

prefix
Type: System::String^

The prefix whose namespace Uniform Resource Identifier (URI) you want to resolve. To match the default namespace, pass an empty string.

Return Value

Type: System::String^

The namespace URI to which the prefix maps or null if no matching prefix is found.

System_CAPS_noteNote

The XmlValidatingReader class is obsolete in .NET Framework 2.0. You can create a validating XmlReader instance by using the XmlReaderSettings class and the Create method. For more information, see the Remarks section of the XmlReader reference page..

In the following XML string, if the reader is positioned on the href attribute, the prefix a is resolved by calling reader.LookupNamespace("a", true). The returned string is urn:456.

<root xmlns:a="urn:456">
 <item>
 <ref href="a:b"/>
 </item>
</root>

.NET Framework
Available since 1.1
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