private void docDuLieu() { dt = bllLoaiNguoiDung.docDanhSachLoaiNguoiDung(); }
private void docDuLieu() { bllNguoiDung.docDanhSachNguoiDung(dtNguoiDung); dtLoaiNguoiDung = bllLoaiNguoiDung.docDanhSachLoaiNguoiDung(); }