using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Services;using System.Web.Script.Services;using System.Web.Script.Serialization;[WebService(Namespace = "http://tempuri.org/")][WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)][System.Web.Script.Services.ScriptService]public class Service : System.Web.Services.WebService{    public Service () {}        [WebMethod]    [ScriptMethod(ResponseFormat=ResponseFormat.Json)]    public string Authenticate(string UserId, string UserPwd)    {        bool result = true;        return new JavaScriptSerializer().Serialize(result);    }    [WebMethod]    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]    public string GetUser()    {        User user = new User();        user.UserId = "jake";        user.UserPwd = "123";        return new JavaScriptSerializer().Serialize(user);    }    [WebMethod]    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]    public string GetUsers()    {        List
     
       list = new List
      
       ();        User user = new User();        user.UserId = "jake";        user.UserPwd = "123";        list.Add(user);        user.UserId = "nola";        user.UserPwd = "456";        list.Add(user);        return new JavaScriptSerializer().Serialize(list);    }}public class User{    public string UserId { get; set; }    public string UserPwd { get; set; }}