On Sat, 20 Dec 2008 13:30:01 -0800, Mishanya wrote:

In what event? And of what (the button that runs the query? the control
LastUpdateDate itself? the form?)?

Well, yes if the change you expect to see in the ComboBox is because the
query has been run then you need to run that code after the query has
been run. If you execute the query from code then issuing the Requery in
that same code block would be appropriate.

--
Rick Brandt, Microsoft Access MVP
Email (as appropriate) to...
RBrandt at Hunter dot com