I have several Combo Boxes on a form. I go to the Combo Boxes and make my selections. They all appear correctly in the Combo Box.

But when I go to the top of the form and tab through my Combo Boxes, some of the Combo Box selections change and some do not. The ones that change, show an item from the drop down list that would have been the next one below the one that was showing in the Combo Box before I tabbed through it.

Any ideas? I think I have all Combo Boxes set up the same and don't know why it happens on some and not all. I am using a different table behind each Combo Box as its source of its drop down list.

Thanks for any help.