Jenn
Take a look at the Can Grow and Can Shrink properties of both those controls
and the section within which they're located.
NOTE: a blank (" "), a zero-length string (""), and a Null ALL look the
same to casual human inspection. Are you quite certain you have "blanks"?
--
Regards
Jeff Boyce
www.InformationFutures.net
Microsoft Office/Access MVP
Microsoft IT Academy Program Mentor
http://microsoftitacademy.com/