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XmlDocument.CreateNode Method (XmlNodeType, String, String)

Creates an XmlNode with the specified XmlNodeType, Name, and NamespaceURI.

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

public virtual XmlNode CreateNode (
	XmlNodeType type,
	string name,
	string namespaceURI
)
public XmlNode CreateNode (
	XmlNodeType type, 
	String name, 
	String namespaceURI
)
public function CreateNode (
	type : XmlNodeType, 
	name : String, 
	namespaceURI : String
) : XmlNode
Not applicable.

Parameters

type

The XmlNodeType of the new node.

name

The qualified name of the new node. If the name contains a colon then it is parsed into Prefix and LocalName components.

namespaceURI

The namespace URI of the new node.

Return Value

The new XmlNode.

Exception typeCondition

ArgumentException

The name was not provided and the XmlNodeType requires a name.

Although this method creates the new object in the context of the document, it does not automatically add the new object to the document tree. To add the new object, you must explicitly call one of the node insert methods.

The following table shows you what NodeType[row] is allowed inside another NodeType[column] according to the W3C Extensible Markup Language (XML) 1.0 recommendation (www.w3.org/TR/1998/REC-xml-19980210).

 

Document

DocumentType

XmlDeclaration

Element

Attribute

Text

CDATA

Markup

EntityReference

Document

no

no

no

no

no

no

no

no

no

DocumentType

yes

no

no

no

no

no

no

no

no

XmlDeclaration

yes*

no

no

no

no

no

no

no

no

Element

yes

no

no

yes

no

no

no

no

yes***

Attribute

no

no

no

yes****

no

no

no

no

no

Text

no

no

no

yes

yes

no

no

no

yes

CDATA

no

no

no

yes

no

no

no

no

yes***

Markup**

yes

no

no

yes

no

no

no

no

no

EntityReference

no

no

no

yes

yes

no

no

no

yes

* The XmlDeclaration node must be the first child of the Document node.

** Markup includes ProcessingInstruction and Comment nodes.

*** Element and CDATA nodes are only allowed in EntityReference nodes when the EntityReference node is not a child of an Attribute node.

**** Attributes are not children of an Element node. Attributes are contained inside an attribute collection that belongs to an Element node.

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

The following example creates a new element and inserts it into an XML document.

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

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

    //Create a new node and add it to the document.
    XmlNode elem = doc.CreateNode(XmlNodeType.Element, "price", null);
    elem.InnerText = "19.95";
    doc.DocumentElement.AppendChild(elem); 
    
    Console.WriteLine("Display the modified XML...");
    doc.Save(Console.Out);

  }
}

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

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

        //Create a new node and add it to the document.
        XmlNode elem = doc.CreateNode(XmlNodeType.Element, "price", null);
        elem.set_InnerText("19.95");
        doc.get_DocumentElement().AppendChild(elem);

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