>>I did the same thing. Although the details are slightly different, the technique is the same...."clear" the control if the user presses the delete key.
>
>Thanks for the sanity check. I was under a strong impression there was something simple instaad :)

Another posibility would be having a blank value as a choice (e.g. original select would have a union clause). But I like this approach too. Perhaps, we can add this code to our combobox class.