See if
Re: Combobox Bounded with Numeric Field Message #
726275 helps.
>This is very good stuff, but... I have one problem with Combobox inside grid:
>When I first time press on combo in grid, list of possible values appears and then dissapears. So I have to click again and then I can choose value from the list.
>Why it dissapears first time after combo gets focus?
>
--sb--