public String GetStudentApply()
        {
            getRoleInfo();
            JObject apply = teacherHelper.GetApply();

            if ((bool)apply["status"])
            {
                return(apply["data"].ToString(Formatting.None));
            }
            else
            {
                return(apply["msg"].ToString());
            }
        }
        public String GetStudentApply()
        {
            tid = User.Identity.GetUserId();
            TeacherHelper teacherHelper = new TeacherHelper();
            JObject       apply         = teacherHelper.GetApply(tid);

            if ((bool)apply["status"])
            {
                return(apply["data"].ToString(Formatting.None));
            }
            else
            {
                return(apply["msg"].ToString());
            }
        }