public int Them(NGUOIDUNG lpDTO) { try { LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString); db.NGUOIDUNG_add( lpDTO.Username, EncryptPassword(lpDTO.Password), lpDTO.HoTen, lpDTO.Email, lpDTO.MaVaiTro ); return 1; } catch { return 0; } }