webservice 同一浏览器跨域调用session的有关问题

  [WebMethod(Description = "验证是否登录",EnableSession = true)]        public string [] CheckIsLogin()        {                       return GetUserLoginName((UserTable)Session["UserLogin"]);        }                public string[] GetUserLoginName(UserTable user)        {                       string[] s = new string[2];            if (user != null)            {                if (!string.IsNullOrEmpty(user.UserName))                    s[0] = user.UserName;                if (!string.IsNullOrEmpty(user.Password))                    s[1] = user.Password;                           }            else            {                s[0] = "test";                s[1] = "test";            }            return s;                   }

private static System.Net.CookieContainer cookieContainer= new System.Net.CookieContainer();        protected void Page_Load(object sender, EventArgs e)        {            localhost.Cxxf_WebService test = new Test.localhost.Cxxf_WebService();            test.CookieContainer = cookieContainer;            string[] s = test.CheckIsLogin();        }