i have two linked table
i made autonumber for subform
but it give autonumber continuos in all record
ex : record num 16 have autonumber 2,3,4
in record num 17
the autonumber was 6,7,8
i need new autonumber in each record 1,2,3 ... etc in each record
not 1,2,3 in first record
then 4,5,6 in next record
want to make record num 16 have autonumber of 1,2,3
and record num 17 have autonumber of 1,2,3 not 4, 5,6
how i can do that
?????