无刷新修改数据库列值

<%@ WebHandler Language="C#" Class="Handler" %>

using System;
using System.Web;
using CY.SQLServerDAL;
using System.Data;
using System.Data.SqlClient;

public class Handler : IHttpHandler {
   
    public void ProcessRequest (HttpContext context) {
        context.Response.ContentType = "text/plain";
        string id = context.Request.QueryString["ID"];
        context.Response.Write(sucess(id).ToString());
       
    }
    private int sucess(string id) {
            //string strsql="update c_qiuzu set Status=1 where ID="+id;           
            //int n=SQLHelper.ExecuteNonQuery(CommandType.Text,strsql,null);
        int n = Convert.ToInt32(id) + 10;
            return n;
    }
 
    public bool IsReusable {
        get {
            return false;
        }
    }

}

 

 <script type="text/javascript">
                                                 function SendData(id)
    {
        var xh = new ActiveXObject("MSXML2.XMLHTTP")
        xh.open("POST","HandlerA.ashx?id="+id+"&table=4",false);
        xh.send();
      //  alert(xh.responseText);//打印XMLHTTP的返回数据
        if(xh.responseText==1)
         document.getElementById(id).value="已成交";
    } </script> 

<input id="<%#Eval("ID")%>" name="<%#Eval("ID")%>" value="<%#Eval("Status").ToString()=="1"?"已成交":"未成交" %>" type="button" onclick="SendData(<%#Eval("ID") %>)" />