private void ListPhieuThanhToan(int IDKhachHang) { var KhachHang = DBDataProvider.DB.khKhachHangs.Where(x => x.IDKhachHang == IDKhachHang).FirstOrDefault(); memoNoiDungTT.Text = ""; memoNoiDungTT.Text = "THANH TOÁN: " + KhachHang.HoTen.ToUpper(); var ListNhapHang = DBDataProvider.ListPhieuNhapHang(IDKhachHang); ccbPhieuThanhToan.DataSource = ListNhapHang; ccbPhieuThanhToan.DataBind(); }