public DaoTaoDAO() { db = new SGU(); }
public CongTacSVDAO() { db = new SGU(); }
public ThongBaoDAO() { db = new SGU(); }
public TT_TD() { db = new SGU(); }
public GioiThieuDAO() { db = new SGU(); }
public ThongtinnguoidungDao() { db = new SGU(); }
public TaiKhoanDao() { db = new SGU(); }
public TT_SK() { db = new SGU(); }
public BoMonDAO() { db = new SGU(); }
public HomeDAO() { db = new SGU(); }
public TT_TS() { db = new SGU(); }