public DotDangKyDAL() { db = new QLKyTucXaDbContext(); }
public SinhVienDAL() { db = new QLKyTucXaDbContext(); }
public BaiVietDAL() { db = new QLKyTucXaDbContext(); }
public NguoiDungDAL() { db = new QLKyTucXaDbContext(); }