前台代码
1 <head runat="server"> 2 <title></title> 3 <script src="../../Scripts/jquery-1.8.3.js" type="text/javascript"></script> 4 <script type="text/javascript"> 5 $(document).ready(function () { 6 $.ajax({ 7 // url: "test_2.aspx", 8 url:"test_3.ashx", 9 data: { "Id": "3" }, 10 type: "post", 11 dataType: "text", 12 beforeSend: function () { 13 alert("开始"); 14 }, 15 cache: true, 16 success: function (str) { 17 alert(str); 18 }, 19 error: function (msg) { 20 alert("错误"); 21 } 22 }); 23 }); 24 </script> 25 </head>
后台代码 aspx
1 protected void Page_Load(object sender, EventArgs e) 2 { 3 string str = "false"; 4 if (!IsPostBack) 5 { 6 string id = Request["Id"] != null ? Request["Id"].ToString() : ""; 7 if (id != "") 8 { 9 str = "success"; 10 } 11 else 12 { 13 str = "error"; 14 } 15 } 16 Response.Write(str); 17 Response.End(); 18 }
后台代码 ashx
1 public void ProcessRequest(HttpContext context) 2 { 3 string str = "false"; 4 string id = context.Request["Id"] != null ? context.Request["Id"].ToString() : ""; 5 if (id != "") 6 { 7 str = "success"; 8 } 9 else 10 { 11 str = "error"; 12 } 13 context.Response.ContentType = "text/plain"; 14 context.Response.Write(str); 15 } 16 17 public bool IsReusable 18 { 19 get 20 { 21 return true; 22 } 23 }