Look at "DemoAthleteA2000.mdb" (attachment, zip).
Look at Tables, Forms, Relationships.
Look at LINK CHILD FIELDS and LINK MASTER FIELDS properties in
the both subforms.
I entered 1 record in the frmAthleteMain (tblAthlete), and 2 records
in both subforms.
Open frmAthleteMain and try to enter...