public JsonResult SubmitChoices() { string Message = string.Empty, Code = string.Empty; try { ChoiceFillingRepository _objRepository = new ChoiceFillingRepository(); string localIP = "?"; localIP = Request.ServerVariables["REMOTE_ADDR"].ToString(); DataSet _ds = _objRepository.Submit_Student_Ch(Session["studentid"].ToString(), localIP); if (_ds != null) { if (_ds.Tables[0].Rows.Count > 0) { Session["submitChoiceFill"] = "True"; Message = "Your Choices have been successfully submitted..!!!"; Code = "success"; } else { Message = "Error from server side. Kindly refresh the page and try again."; Code = "servererror"; } } } catch (NullReferenceException) { Message = "Your session has been expired. Kindly login again."; Code = "sessionexpired"; } catch (Exception) { Message = "Error from server side. Kindly refresh the page and try again."; Code = "servererror"; } return(Json(new { m = Message, c = Code }, JsonRequestBehavior.AllowGet )); }