ControlTemplate checkbox issue

I've开发者_运维知识库 a checkbox controltemplate column in wpf datagrid, when I check few checkboxes and scroll, the selections get messed up.

I know its because the repeating visual component is kind of reused. But how to fix the problem?

Add the following to the datagrid in the XAML:

VirtualizingStackPanel.VirtualizationMode="Standard"