When I add a BindingGroup ValidationRules, my DataRows are nolonger updated. I have Grid that provides the DataContext for my text controls. It is bound to a ComboBox, which in turn is bound
to a DataTable. This all works fine. Even my database gets update. But no validation. So I added a BindingGroup to my Gird and now nothing is updated. Not even the current DataRow. My BindingGroup is:
Is not this the way to get row level validation?