In order to make suggestions as to what might be going on, it would be helpful to know what version of Access you are using, and what the format of the database is - .MDB, .ADP, .ACCDB, etc. Also, it would useful to know the linkage of the subform control with the main form that it resides within.
Wendell
Wendell
Colorful Colorado
You can't see the view if you don't climb the mountain!