XmlNode.PrependChild 方法

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;
 
    //Create a new node.
    XmlElement elem = doc.CreateElement("price");
    elem.InnerText="19.95";
 
    //Add the node to the document.
    root.PrependChild(elem);
 
    Console.WriteLine("Display the modified XML...");
    doc.Save(Console.Out);
 
  }
}