public QUAN_HUYEN_InsResult QUAN_HUYEN_Ins(QUAN_HUYEN_SearchResult data) { try { using (var dataContext = new OOAD_EDUManagementDataContext()) { QUAN_HUYEN_InsResult result = dataContext.QUAN_HUYEN_Ins( data.maXQuan_Huyen, data.maTinh_TP, data.tenQuan_Huyen, data.maNguoiLap, data.thoiGianLap == null ? "" : data.thoiGianLap.Value.ToString(Constants.FormatDate), data.maNguoiDuyet, data.thoiGianDuyet == null ? "" : data.thoiGianDuyet.Value.ToString(Constants.FormatDate), data.maTrangThaiDuyet, data.trangThaiDuLieu).SingleOrDefault(); return result; } } catch (Exception e) { return new QUAN_HUYEN_InsResult() { RESULT = "-1", MAQUAN_HUYEN = "", ERRORDESC = e.Message }; } }