I've a table: DAY 1 DAY 2 DAY 3 USER 1 USER 1 USER 2 USER 2 USER 3 USER
3 USER 3 I would like in a form with two values DAY, and USER, for
another table, when I select DAY 1, only appears to choose USER 1 and
USER 3, when I select DAY 2 the list was ...