XmlNode.RemoveChild Method (System.Xml)

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.NET Framework Class Library
XmlNode.RemoveChild Method

Removes specified child node.

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

Syntax
Visual Basic (Declaration)
Public Overridable Function RemoveChild ( _
	oldChild As XmlNode _
) As XmlNode
Visual Basic (Usage)
Dim instance As XmlNode
Dim oldChild As XmlNode
Dim returnValue As XmlNode

returnValue = instance.RemoveChild(oldChild)
C#
public virtual XmlNode RemoveChild (
	XmlNode oldChild
)
C++
public:
virtual XmlNode^ RemoveChild (
	XmlNode^ oldChild
)
J#
public XmlNode RemoveChild (
	XmlNode oldChild
)
JScript
public function RemoveChild (
	oldChild : XmlNode
) : XmlNode

Parameters

oldChild

The node being removed.

Return Value

The node removed.
Exceptions
Exception type Condition

ArgumentException

The oldChild is not a child of this node. Or this node is read-only.

Remarks

Notes to Inheritors When overriding RemoveChild in a derived class, in order for events to be raised correctly, you must call the RemoveChild method of the base class.

Example

The following example removes a node from the XML document.

Visual Basic
Option Explicit
Option Strict

Imports System
Imports System.IO
Imports System.Xml

Public Class Sample
    
    Public Shared Sub Main()
        Dim doc As New XmlDocument()
        doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" & _
                    "<title>Pride And Prejudice</title>" & _
                    "</book>")
        
        Dim root As XmlNode = doc.DocumentElement
        
        'Remove the title element.
        root.RemoveChild(root.FirstChild)
        
        Console.WriteLine("Display the modified XML...")
        doc.Save(Console.Out)
    End Sub 'Main 
End Class 'Sample
C#
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>");

    XmlNode root = doc.DocumentElement;

    //Remove the title element.
    root.RemoveChild(root.FirstChild);

    Console.WriteLine("Display the modified XML...");
    doc.Save(Console.Out);

  }
}
C++
#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>" );
   XmlNode^ root = doc->DocumentElement;
   
   //Remove the title element.
   root->RemoveChild( root->FirstChild );
   Console::WriteLine( "Display the modified XML..." );
   doc->Save( Console::Out );
}
J#
import System.*;
import System.IO.*;
import System.Xml.*;

public class Sample
{
    public static void main(String[] args)
    {
        XmlDocument doc = new XmlDocument();
        doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>"
            + "<title>Pride And Prejudice</title>"
            + "</book>");

        XmlNode root = doc.get_DocumentElement();

        //Remove the title element.
        root.RemoveChild(root.get_FirstChild());

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

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.

Version Information

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0
See Also