private void load() { ThongKe TK = new ThongKe(); lbTongTien.Text = String.Format("{0:n0} VNĐ", TK.TongThanhTien()); DonHangBUS DH = new DonHangBUS(); lbSoLuong.Text = DH.SoLuong().ToString(); KhachHangBUS KH = new KhachHangBUS(); lbSoLuongKH.Text = KH.SoLuongKH().ToString(); SanPhamBUS SP = new SanPhamBUS(); foreach (var item in SP.loadSP()) { SANPHAM S = (SANPHAM)item; showTheMost(S.TENSP, S.IMAGES); } }