public int CapNhat(DANGKYHOATDONG lpDTO) { try { LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString); return db.DANGKYHOATDONG_update( lpDTO.MaNguoiDung, lpDTO.MaHoatDong ); } catch (Exception ex) { throw (ex); } }