js operates Xml (sends Xml to the server, processes the Xml returned by the server) (valid under IE)_javascript skills

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls. WebParts;
using System.Web.UI.HtmlControls;

using System.Xml;

public partial class testXml_Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(Request.InputStream);//Received xml from the client
XmlNode rootnode = xmldoc.DocumentElement;
XmlNode pwd = rootnode.SelectSingleNode("pwd");
pwd.InnerText = "changed";//Change the xml document content on the server side

Response.Write (xmldoc.InnerXml);//Return the modified Xml document
Response.End();
}
}