XmlElement.NamespaceURI Property  
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets the namespace URI of this node.
public:
 virtual property System::String ^ NamespaceURI { System::String ^ get(); };public override string NamespaceURI { get; }member this.NamespaceURI : stringPublic Overrides ReadOnly Property NamespaceURI As StringProperty Value
The namespace URI of this node. If there is no namespace URI, this property returns String.Empty.
Examples
The following example displays information on the ISBN element.
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</bk:ISBN>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");
    // Display information on the ISBN element.
    XmlElement elem = (XmlElement) doc.DocumentElement.FirstChild;
    Console.Write("{0}:{1} = {2}", elem.Prefix, elem.LocalName, elem.InnerText);
    Console.WriteLine("\t namespaceURI=" + elem.NamespaceURI);
  }
}
// This code produces the following output.
// bk:ISBN = 1-861001-57-5  namespaceURI=urn:samples
Imports System.IO
Imports System.Xml
public class Sample
  public shared sub Main()
    Dim doc as XmlDocument = new XmlDocument()
    doc.LoadXml("<book xmlns:bk='urn:samples'>" & _
                "<bk:ISBN>1-861001-57-5</bk:ISBN>" & _
                "<title>Pride And Prejudice</title>" & _
                "</book>")
    ' Display information on the ISBN element.
    Dim elem as XmlElement 
    elem = CType(doc.DocumentElement.ChildNodes.Item(0),XmlElement) 
    Console.Write("{0}:{1} = {2}", elem.Prefix, elem.LocalName, elem.InnerText)
    Console.WriteLine("  namespaceURI=" + elem.NamespaceURI)
  end sub
end class
' This code produces the following output.
' bk:ISBN = 1-861001-57-5  namespaceURI=urn:samples
Remarks
This is the namespace URI specified at creation time. For example, NamespaceURI is urn:samples for the element <bk:book xmlns:bk= "urn:samples">