This documentation is archived and is not being maintained.

XmlElement.RemoveAttribute Method (String, String)

Removes an attribute with the specified local name and namespace URI. (If the removed attribute has a default value, it is immediately replaced).

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

public virtual void RemoveAttribute (
	string localName,
	string namespaceURI
)
public void RemoveAttribute (
	String localName, 
	String namespaceURI
)
public function RemoveAttribute (
	localName : String, 
	namespaceURI : String
)

Parameters

localName

The local name of the attribute to remove.

namespaceURI

The namespace URI of the attribute to remove.

Exception typeCondition

ArgumentException

The node is read-only.

If the removed attribute is known to have a default value, an attribute immediately appears containing the default value and, if applicable, the corresponding namespace URI, local name, and prefix.

The following example removes an attribute from an 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'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");

    XmlElement root = doc.DocumentElement;

    // Remove the ISBN attribute.
    root.RemoveAttribute("ISBN", "urn:samples");
     
    Console.WriteLine("Display the modified XML...");
    Console.WriteLine(doc.InnerXml);

  }
}

import System.*;
import System.IO.*;
import System.Xml.*;

public class Sample
{
    public static void main(String[] args)
    {
        XmlDocument doc = new XmlDocument();
        doc.LoadXml("<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>"
            + "<title>Pride And Prejudice</title>"
            + "</book>");
        XmlElement root = doc.get_DocumentElement();

        // Remove the ISBN attribute.
        root.RemoveAttribute("ISBN", "urn:samples");

        Console.WriteLine("Display the modified XML...");
        Console.WriteLine(doc.get_InnerXml());
    } //main 
} //Sample

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0
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