Update three forms through function

Update three forms through function

Hi,

I have the following:

Form A

Form B

Form C


Form A -> Multiselect to form B (Lookup field)

Form C = Subform to Form B

On update of form C -> Fields update in form B -> Updates in form A

Problem is that Form A only updates if I do an edit-> update on form B. Can I somehow "refresh" or simulate an "on edit" on form B through a function? Everything works, except that I have to update the form manually on Form B for it to show on form A (not even the values, just "update" and it works).

Thx!

/V