XmlElement.RemoveAttribute Method (String, String)

Visual Studio 2008

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)

Syntax

C++

JScript

public virtual void RemoveAttribute(
	string localName,
	string namespaceURI
)

Parameters

localName: Type: System.String
The local name of the attribute to remove.

namespaceURI: Type: System.String
The namespace URI of the attribute to remove.

Exceptions

Exception	Condition
ArgumentException	The node is read-only.

Remarks

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.

Examples

The following example removes an attribute from an element.

C++

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);

  }
}

CPP_OLD

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

int main()
{
    XmlDocument* doc = new XmlDocument();
    doc->LoadXml(S"<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(S"ISBN", S"urn:samples");

    Console::WriteLine(S"Display the modified XML...");
    Console::WriteLine(doc->InnerXml);
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0