public IEnumerable<BIEN_BAN_CHAM_THI_SearchResult> BIEN_BAN_CHAM_THI_Search(BIEN_BAN_CHAM_THI_SearchResult data, int? top) { try { using (var db = new OOAD_EDUManagementDataContext()) { return db.BIEN_BAN_CHAM_THI_Search(data.maGiamKhao, data.SBD, data.maMon, data.namTuyenSinh, top).ToList(); } } catch (Exception e) { return null; } }