when I build a list of RadComboBoxItem and assign them to the RadComboBox...
1) it doesn't show the expected default selected item
2) when i select an item from the list, the box doesn't show the selected item
if I change this list of RadComboBoxItem to list of data object, it worked.
I tried the above codes, none worked. the above codes worked when the itemsources is list of data objects.
below are the full codes: