Imports System
Imports System.IO
Imports System.Xml

Public Class Sample

    Public Shared Sub Main()
        Dim reader As XmlTextReader = Nothing

        Try
            ' Load the reader with the XML file.
            reader = New XmlTextReader("book2.xml")

            ' Parse the file.  If they exist, display the prefix and 
            ' namespace URI of each node.
            While reader.Read()
                If reader.IsStartElement() Then
                    If reader.Prefix = String.Empty Then
                        Console.WriteLine("<{0}>", reader.LocalName)
                    Else
                        Console.Write("<{0}:{1}>", reader.Prefix, reader.LocalName)
                        Console.WriteLine(" The namespace URI is " & reader.NamespaceURI)
                    End If
                End If
            End While

        Finally
            If Not (reader Is Nothing) Then
                reader.Close()
            End If
        End Try
    End Sub 'Main 
End Class 'Sample

using System;
using System.IO;
using System.Xml;

public class Sample {

  public static void Main() {

    XmlTextReader reader = null;

    try {

       // Load the reader with the XML file.
       reader = new XmlTextReader("book2.xml");

       // Parse the file.  If they exist, display the prefix and 
       // namespace URI of each node.
       while (reader.Read()) {
         if (reader.IsStartElement()) {
           if (reader.Prefix==String.Empty)
              Console.WriteLine("<{0}>", reader.LocalName);
           else {
               Console.Write("<{0}:{1}>", reader.Prefix, reader.LocalName);
               Console.WriteLine(" The namespace URI is " + reader.NamespaceURI);
           }
         }
       }       

     } 
     finally {
        if (reader != null)
          reader.Close();
      }
  }  
} // End class

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlTextReader^ reader = nullptr;
   try
   {

      // Load the reader with the XML file.
      reader = gcnew XmlTextReader( "book2.xml" );

      // Parse the file.  If they exist, display the prefix and 
      // namespace URI of each node.
      while ( reader->Read() )
      {
         if ( reader->IsStartElement() )
         {
            if ( reader->Prefix == String::Empty )
                        Console::WriteLine( "<{0}>", reader->LocalName );
            else
            {
               Console::Write( "<{0}:{1}>", reader->Prefix, reader->LocalName );
               Console::WriteLine( " The namespace URI is {0}", reader->NamespaceURI );
            }
         }
      }
   }
   finally
   {
      if ( reader != nullptr )
            reader->Close();
   }

}

#using <mscorlib.dll>
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;

int main() {

   XmlTextReader* reader = 0;

   try {

      // Load the reader with the XML file.
      reader = new XmlTextReader(S"book2.xml");

      // Parse the file.  If they exist, display the prefix and 
      // namespace URI of each node.
      while (reader->Read()) {
         if (reader->IsStartElement()) {
            if (reader->Prefix==String::Empty)
               Console::WriteLine(S"<{0}>", reader->LocalName);
            else {
               Console::Write(S"<{0}:{1}>", reader->Prefix, reader->LocalName);
               Console::WriteLine(S" The namespace URI is {0}", reader->NamespaceURI);
            }
         }
      }       

   } 
   __finally {
      if (reader != 0)
         reader->Close();
   }
}  

<book xmlns:bk='urn:samples'>
  <title>Pride And Prejudice</title>
  <bk:genre>novel</bk:genre>
</book>