This documentation is archived and is not being maintained.

XmlElement.SetAttribute Method (String, String, String)

Sets the value of the attribute with the specified local name and namespace URI.

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

public virtual string SetAttribute (
	string localName,
	string namespaceURI,
	string value
)
public String SetAttribute (
	String localName, 
	String namespaceURI, 
	String value
)
public function SetAttribute (
	localName : String, 
	namespaceURI : String, 
	value : String
) : String
Not applicable.

Parameters

localName

The local name of the attribute.

namespaceURI

The namespace URI of the attribute.

value

The value to set for the attribute.

Return Value

The attribute value.

The following example adds an attribute to 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;

    // Add a new attribute.
    root.SetAttribute("genre", "urn:samples", "novel");

    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();

        // Add a new attribute.
        root.SetAttribute("genre", "urn:samples", "novel");
        Console.WriteLine("Display the modified XML...");
        Console.WriteLine(doc.get_InnerXml());
    } //main 
} //Sample

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0
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