public ActionResult getExamDetail(int eid)
        {
            int uid = 0;
            int did = 0;
            int rid = 0;

            if (Session["UserId"] != null)
            {
                uid = Convert.ToInt32(Session["UserId"].ToString());
                did = Convert.ToInt32(Session["DID"].ToString());
                rid = Convert.ToInt32(Session["RoleID"].ToString());
            }
            ExamModel objModel   = new ExamModel();
            QRService objService = new QRService();

            objModel = objService.getByID(eid);

            List <ExamTranModel> lstShedule = new List <ExamTranModel>();

            lstShedule            = objService.getExamShedule(eid);
            objModel.ListSchedule = new List <ExamTranModel>();
            objModel.ListSchedule.AddRange(lstShedule);
            //return Json(objModel, JsonRequestBehavior.AllowGet);
            return(PartialView("_ExamDetail", objModel));
        }