- I got a main form

- in the main form I have 2 sub forms

- when submitting main form, sub form ID is kept using a field in the main form

- after submitting, go back to the main form, sub form data unable to be retrieved

How to load sub form data based on a ref field in the parent form?

"Subform Field to keep Parent ID" can only set primary key of the main form?

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