XmlElement.RemoveAttributeAt(Int32) Method

Definition

Namespace:

System.Xml

Assembly:

System.Xml.ReaderWriter.dll

Source:

XmlElement.cs

Removes the attribute node with the specified index from the element. (If the removed attribute has a default value, it is immediately replaced).

public:
 virtual System::Xml::XmlNode ^ RemoveAttributeAt(int i);

public virtual System.Xml.XmlNode? RemoveAttributeAt (int i);

abstract member RemoveAttributeAt : int -> System.Xml.XmlNode
override this.RemoveAttributeAt : int -> System.Xml.XmlNode

Public Overridable Function RemoveAttributeAt (i As Integer) As XmlNode

Parameters

i

Int32

The index of the node to remove. The first node has index 0.

Returns

XmlNode

The attribute node removed or null if there is no node at the given index.

Examples

The following example removes an attribute from an element.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->LoadXml( "<book genre='novel' ISBN='1-861001-57-5'><title>Pride And Prejudice</title></book>" );
   XmlElement^ root = doc->DocumentElement;
   
   // Remove the genre attribute.
   root->RemoveAttributeAt( 0 );
   Console::WriteLine( "Display the modified XML..." );
   Console::WriteLine( doc->InnerXml );
}

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

public class Sample
{
  public static void Main()
  {

    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");

    XmlElement root = doc.DocumentElement;

    // Remove the genre attribute.
    root.RemoveAttributeAt(0);

    Console.WriteLine("Display the modified XML...");
    Console.WriteLine(doc.InnerXml);
  }
}

Imports System.IO
Imports System.Xml

public class Sample

  public shared sub Main()

    Dim doc as XmlDocument = new XmlDocument()
    doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" & _
                "<title>Pride And Prejudice</title>" & _
                "</book>")      

    Dim root as XmlElement = doc.DocumentElement

    ' Remove the genre attribute.
    root.RemoveAttributeAt(0)

    Console.WriteLine("Display the modified XML...")
    Console.WriteLine(doc.InnerXml)

  end sub
end class

Remarks

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