public PhanNhomDao() { db = new BaoCaoOnlineDbContext(); }
public ThongTinNhomDao() { db = new BaoCaoOnlineDbContext(); }
public SinhVienDao() { db = new BaoCaoOnlineDbContext(); }
public BangDkDaDao() { db = new BaoCaoOnlineDbContext(); }
public NhomDaTtDao() { db = new BaoCaoOnlineDbContext(); }
public GiangVienDao() { db = new BaoCaoOnlineDbContext(); }
public LoaiDaDao() { db = new BaoCaoOnlineDbContext(); }