aspx调用webmethod

?

[WebMethod]

       public static string CheckLogin(string user, string pwd)

       {

           pwd = FormsAuthentication.HashPasswordForStoringInConfigFile(pwd, "md5");

           University.BLL.Student bll = new University.BLL.Student();

           DataSet ds = bll.Login(user, pwd);

           if (ds.Tables[0].Rows.Count > 0)

           {

               //login成功

               return "登陆成功。";             

           }

           else

           {

               //login失败

               return "登陆失败。";

           }

       }

　　

?

$("#login").click(function () {

               $.ajax({

                   type: "Post",

                   url: "index_Student.aspx/CheckLogin",

                   data: "{ 'user': '" + $("#user").val() + "', 'pwd':'" + $("#pwd").val() + "'}",

                   contentType: "application/json; charset=utf-8",

                   dataType: "json",

                   success: function (data) {

                       //返回的数据用data.d获取内容  

                       alert(data.d);

                   },

                   error: function (err) {

                       alert(err);

                   }

               });

               return false;

 

           });