public CartF() { db = new WebTraSua(); }
public SanPhamF() { db = new WebTraSua(); }
public DanhMucF() { db = new WebTraSua(); }
public PhanHoiF() { db = new WebTraSua(); }
public UserF() { db = new WebTraSua(); }
public CartDetailF() { db = new WebTraSua(); }