>Hi David,
>
>>I can't really figure out the UI where you need a ReadOnly cbo wouldn't a plain TextBox work just as well?
>
>EG: I have a Combo on my data entry form, my field-level-security toggles the ReadOnly Property. It will be ReadOnly a some points and not at others depending on the user and there access. Removing a readonly TextBox, and adding a non-ReadOnly Combobox at run-time is not my bag.

How about keeping them both, and toggling their .visible property? Did anyone try to play with two controls bound to the same datasource?