C选择产品 = new Label { Text = "",HeightRequest = 37,VerticalOptions = LayoutOptions.Center ,VerticalTextAlignment = TextAlignment.Center,Margin = new Thickness(60,0,0,0),HorizontalOptions = LayoutOptions.Start};
C选择产品.SetBinding(Label.TextProperty, new Binding($"{ClassEx.GetPropertyName<BillItemFull>(t => t.Product)}.{ClassEx.GetPropertyName<Product>(t => t.Name)}"));
row1Panel.Children.Add(C选择产品);

        Children.Add(row1Panel);

        //row 2：编码
        var row2 = LrRow.CreateRow(ClassEx.GetPropertyDescription<Product>(t => t.SerialNo), C编码 = new Label {  });
        C编码.SetBinding(Label.TextProperty, new Binding($"{ClassEx.GetPropertyName<BillItemFull>(t => t.Product)}.{ClassEx.GetPropertyName<Product>(t => t.SerialNo)}"));
        Children.Add(row2);