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XmlNode::GetPrefixOfNamespace Method

Looks up the closest xmlns declaration for the given namespace URI that is in scope for the current node and returns the prefix defined in that declaration.

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

public:
virtual String^ GetPrefixOfNamespace(
	String^ namespaceURI
)

Parameters

namespaceURI
Type: System::String
Namespace URI whose prefix you want to find.

Return Value

Type: System::String
The prefix for the specified namespace URI.

This method is a Microsoft extension to the Document Object Model (DOM).

The following example adds a new element to the XML document.


#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->LoadXml( "<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>"
   "<title>Pride And Prejudice</title>"
   "</book>" );
   XmlNode^ root = doc->FirstChild;

   //Create a new node.
   String^ prefix = root->GetPrefixOfNamespace( "urn:samples" );
   XmlElement^ elem = doc->CreateElement( prefix, "style", "urn:samples" );
   elem->InnerText = "hardcover";

   //Add the node to the document.
   root->AppendChild( elem );
   Console::WriteLine( "Display the modified XML..." );
   doc->Save( Console::Out );
}



.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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