I am deeply sorry. I had forgotten simply to requery the second listbox after requerying the second view.

I took me an embrassingly long time to realize this.

I appreciate your time and attention. I was most helpful in pointing me to the solution.

>Hi!
>
>Looks like some control is popping up occasionally. Do you have any hidden controls on that place? Are you use page frame there? Finally, if your field contains backslash ('\'), the line in the list box will be disabled and '\' is not shown.
>
>Personally, I never met such behavior, just a suggestions to try to figure out what cause that.