XmlNode.GetPrefixOfNamespace(String) Method
Definition
Important
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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.
public:
virtual System::String ^ GetPrefixOfNamespace(System::String ^ namespaceURI);
public virtual string GetPrefixOfNamespace (string namespaceURI);
abstract member GetPrefixOfNamespace : string -> string
override this.GetPrefixOfNamespace : string -> string
Public Overridable Function GetPrefixOfNamespace (namespaceURI As String) As String
Parameters
- namespaceURI
- String
The namespace URI whose prefix you want to find.
Returns
The prefix for the specified namespace URI.
Examples
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 );
}
using System;
using System.IO;
using System.Xml;
public class Sample {
public static void Main() {
XmlDocument doc = new 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);
}
}
Option Strict
Option Explicit
Imports System.IO
Imports System.Xml
Public Class Sample
Public Shared Sub Main()
Dim doc As New XmlDocument()
doc.LoadXml("<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>" & _
"<title>Pride And Prejudice</title>" & _
"</book>")
Dim root As XmlNode = doc.FirstChild
'Create a new node.
Dim prefix As String = root.GetPrefixOfNamespace("urn:samples")
Dim elem As XmlElement = 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)
End Sub
End Class
Remarks
This method is a Microsoft extension to the Document Object Model (DOM).
Applies to
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