>Thank's for your response, with the explication from Erick i think in that, but is not a good solution... don't you think? Every time append blank records..
>
>But with erick response i make a conclusion, i do the same with not bound is controlsource to the table...beginners problems...

< sigh> Yes, of course it depends on what your application is doing.

If you do not need to collect a field value (or even if you do), you can bind the combo to a form property, for example. Or, as you say, not bind the combo at all.