public int CapNhat(BAIHAT lpDTO) { try { LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString); return db.BAIHAT_update( lpDTO.MaBaiHat, lpDTO.TenBaiHat, lpDTO.LinkBaiHat ); } catch (Exception ex) { throw (ex); } }