public QUAN_HUYEN_ApprResult QUAN_HUYEN_Appr(QUAN_HUYEN_SearchResult data) { try { using (var dataContext = new OOAD_EDUManagementDataContext()) { QUAN_HUYEN_ApprResult result = dataContext.QUAN_HUYEN_Appr( data.maQuan_Huyen, data.maTrangThaiDuyet, data.maNguoiDuyet, data.thoiGianDuyet == null ? "" : data.thoiGianDuyet.Value.ToString(Constants.FormatDate)).FirstOrDefault(); return result; } } catch (Exception e) { return new QUAN_HUYEN_ApprResult() { RESULT = "-1", ERRORDESC = e.Message }; } }