html：

 

 

ashx：

using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace AJax{    /// 
    /// GetDate1 的摘要说明    /// 
    public class GetDate1 : IHttpHandler    {        public void ProcessRequest(HttpContext context)        {            context.Response.ContentType = "text/plain";            string id = context.Request["id"];            string ts = context.Request["ts"];            ts = "hello";            context.Response.Write(DateTime.Now.ToString() + "---" + id+"--"+ts);        }        public bool IsReusable        {            get            {                return false;            }        }    }}