如何使用绑定创建运行时ListView？wpf

例如，我不能从这个代码中得到结果！请帮帮我，tnx.）

        GridViewColumn gvc6 = new GridViewColumn();
        gvc6.DisplayMemberBinding = new Binding("sum");

        FrameworkElementFactory txt = new FrameworkElementFactory(typeof(TextBox));
        txt.SetBinding(TextBox.TextProperty, new Binding()); // sets binding


        gvc6.CellTemplate = new DataTemplate(typeof(string));
        gvc6.CellTemplate.VisualTree = txt;