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XmlNamedNodeMap.SetNamedItem Method

Adds an XmlNode using its Name property

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

public virtual XmlNode SetNamedItem(
	XmlNode node
)

Parameters

node
Type: System.Xml.XmlNode
An XmlNode to store in the XmlNamedNodeMap. If a node with that name is already present in the map, it is replaced by the new one.

Return Value

Type: System.Xml.XmlNode
If the node replaces an existing node with the same name, the old node is returned; otherwise, null is returned.

ExceptionCondition
ArgumentException

The node was created from a different XmlDocument than the one that created the XmlNamedNodeMap; or the XmlNamedNodeMap is read-only.

The following example uses the XmlAttributeCollection class (which inherits from XmlNamedNodeMap) to add an attribute to the collection.


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

public class Sample
{
  public static void Main()
  {
     XmlDocument doc = new XmlDocument();
     doc.LoadXml("<book genre='novel' publicationdate='1997'> " +
                 "  <title>Pride And Prejudice</title>" +
                 "</book>");      

     XmlAttributeCollection attrColl = doc.DocumentElement.Attributes;

     // Add a new attribute to the collection.
     XmlAttribute attr = doc.CreateAttribute("style");
     attr.Value = "hardcover";
     attrColl.SetNamedItem(attr);

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

  }
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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