Updating a ComboBox SelectedItem from code behind

Question

im having a View with a ComboBox bound to my viewModel property. Everything works fine but i actually want to reuse my View and need to update the controls with a given value.

Answer 1

It may happen if you do not Items collection doesn't contain an item equal to SelectedItem. Check whether you have such an item (it may be that you just forgot to overload Equals in your class and it uses references comparison)