I am having trouble with data entry to a form. I have a table tblReview, with primary key staffno. I have a table tblStaff, with primary key staffno. On the data entry form I have a combo box to select the staff no. When I select the staff no from the combo box it will then fill in a text box for last name and a text box for first name. This used to work when the primary key for tblReview was ReviewID which was an autonumber. If I change the primary key back to ReviewID, the boxes will fill in properly. If I change the primary key to staffno, it won't fill in any data for the last name and first name. I need the primary key to be StaffNo. An autonumber field as primary key does not suit my purpose anymore.