nintenyun

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test 

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication2._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
   <script type="text/javascript">
      var req;
      function validate()
      {
        var name = document.getElementById("name");
        var url ="process.aspx?id=" + escape(name.value);
        if(window.XMLHttpRequest)
         {
           req = new XMLHttpRequest;
         }
         else if(window.ActiveXObject)
         {
           req = new ActiveXObject("Microsoft.XMLHTTP");
         }
         req.open("GET",url,true);
         req.onreadystatechange = callback;
         req.send(null);
      }
      
      function callback()
      {
        if(req.readyState == 4)
          {
             if(req.status == 200)
              {
                
                var msg = req.responseXML.getElementsByTagName("msg")[0];
               
                setMsg(msg.childNodes[0].nodeValue);
              }
          }
      }
      function setMsg(msg)
      {
        mdiv = document.getElementById("usermsg");
        if(msg =="valid")
         {
            mdiv.innerHTML = "<font color='red'>ok</font>";
         }else
         {
            mdiv.innerHTML = "<font color='red'>error</font>";
         }
      }
   </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       <input id="name" type="text"  onblur="validate()"/>
       <span id="usermsg" ></span>
    </div>
    </form>
</body>
</html>



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

namespace WebApplication2
{
    public partial class process : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

            string id = Request.QueryString["id"];
            if (id == "nintenyun")
            {
                Response.Write("<msg>valid</msg>");
            }
            else
            {
                Response.Write("<msg>invalid</msg>");
            }
            
        }
     
    }
}

posted on 2011-05-08 11:26  nintenyun  阅读(92)  评论(0)    收藏  举报