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XmlAttributeCollection.InsertAfter Method

Inserts the specified attribute immediately after the specified reference attribute.

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

public XmlAttribute InsertAfter(
	XmlAttribute newNode,
	XmlAttribute refNode
)

Parameters

newNode
Type: System.Xml.XmlAttribute

The XmlAttribute to insert.

refNode
Type: System.Xml.XmlAttribute

The XmlAttribute that is the reference attribute. newNode is placed after the refNode.

Return Value

Type: System.Xml.XmlAttribute
The XmlAttribute to insert into the collection.

ExceptionCondition
ArgumentException

The newNode was created from a document different from the one that created this collection. Or the refNode is not a member of this collection.

If an attribute with the same name is already present in the collection, the original attribute is removed from the collection and newNode is inserted into the collection. If refNode is null, newNode is inserted at the beginning of the collection.

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

The following example adds a new attribute to a document.

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

public class Sample
{
  public static void Main(){

    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");      

    //Create a new attribute.
    XmlAttribute newAttr = doc.CreateAttribute("genre");
    newAttr.Value = "novel";

    //Create an attribute collection and add the new attribute 
    //to the collection.
    XmlAttributeCollection attrColl = doc.DocumentElement.Attributes;
    attrColl.InsertAfter(newAttr, attrColl[0]);

    Console.WriteLine("Display the modified XML...\r\n");
    Console.WriteLine(doc.OuterXml);  
  }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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