I have 3 tables. 1 has a field "itemNumber" only.
The other "tblGovEst" has 8-9 fields, one of which has a cbo based on the tbl "itemNumber". It also has a field called "ID".
The 3rd "tblMain" has many fields, one of which has a PK called "ID"
When I use my main form, (source=tblMain), I link...