var Namespace = new Object();
// 全局对象仅仅存在register函数，参数为名称空间全路径，如"Grandsoft.GEA"
Namespace.register = function (fullNS) {
    // 将命名空间切成N部分, 比如Grandsoft、GEA等
    var nsArray = fullNS.split(‘.‘);
    var sEval = "";
    var sNS = "";
    for (var i = 0; i < nsArray.length; i++) {
        if (i != 0) sNS += ".";
        sNS += nsArray[i];
        sEval += "if (typeof(" + sNS + ") == ‘undefined‘) " + sNS + " = new Object();"
    }
    if (sEval != "") eval(sEval);
}
Namespace.register("WebDemo.Common");
WebDemo.Common.XmlHttp = {
    ExecuteUrl: function (url) {
        xmlHttp = this.Request("GET", url);
        return xmlHttp.responseText;
    },
    ExecuteXmlUrl: function (sendXml, url) {
        xmlHttp = this.Request("POST", url, sendXml);
        return xmlHttp.responseText;
    },
    Request: function (method, url, data, callback) {
        var bAsync = false;
        if (callback != undefined && callback != null) bAsync = true;
        var oXmlHttp = this.Create();
        oXmlHttp.open(method, url, bAsync);
        if (bAsync) oXmlHttp.onreadystatechange = function () {
            if (oXmlHttp.readyState == 4 && oXmlHttp.status == 200)
                callback(oXmlHttp.responseText);
        };

        try {
            oXmlHttp.send(data);
        }
        catch (e) {
            alert("请求异常:" + e.Message + "\nUrl:" + url + "\n发送数据:" + data);
        }
        return oXmlHttp;
    },
    Create: function () {
        var xmlHttp = null;
        try {
            if (window.ActiveXObject)
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            else if (window.XMLHttpRequest)
                xmlHttp = new XMLHttpRequest();
        } catch (e) { }
        return xmlHttp;
    },
    test: function () {
        var add = "Add";
        var name = "添加";
        var senderXml = "<Function id=‘" + add + "‘ Name=‘" + name + "‘></Function>";
        //   var doc=new ActiveXObject("Microsoft.XMLDOM");
        //       var Root=doc.createElement("Function");
        //       doc.appendChild(Root);
        //       Root.setAttribute("id", "Add");
        //       Root.setAttribute("Name", "添加");
        var senderUrl = "../Handel/Handler1.ashx";
        var ret = WebDemo.Common.XmlHttp.ExecuteXmlUrl(senderXml, senderUrl);
        if (ret) { alert(ret); }
    }

}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml;
using System.Data.OleDb;
using System.Data;

namespace WebApplicationDemo.Handel
{
    /// <summary>
    /// Handler1 的摘要说明
    /// </summary>
    public class Handler1 : IHttpHandler
    {
        XmlDocument xmlDoc = new XmlDocument();
        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/xml;charset=utf-8";
            if (context.Request.InputStream.Length > 0)
            {
                xmlDoc.Load(context.Request.InputStream);
                XmlElement xmlroot = xmlDoc.DocumentElement;
                string OptionType = xmlroot.Attributes["id"].Value;
                string strResult = string.Empty;
                switch (OptionType)
                {
                    case "Add": strResult = AddData(context);
                        break;
                    case "Edit": strResult = EditData(context);
                        break;
                    case "Del": strResult = DelData(context);
                        break;

                    default:
                        break;
                }
                context.Response.Write(strResult);
            }



        }

        private string EditData(HttpContext context)
        {
            return "EditData"
;
        }

        private string DelData(HttpContext context)
        {
            return "DelData";
        }

        private string AddData(HttpContext context)
        {
           
            return "AddData";
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }