public IEnumerable<NGUYEN_VONG_SearchResult> NGUYEN_VONG_Search(NGUYEN_VONG_SearchResult data, int? top) { try { using (var db = new OOAD_EDUManagementDataContext()) { return db.NGUYEN_VONG_Search(data.maNguyenVong, data.maXNguyenVong, data.tenNguyenVong, data.doUuTien, 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, top).ToList(); } } catch (Exception e) { return null; } }