Link Upload Subform Record to Main Form via Deluge Scripts

Hi, I have a main form (MainFormA) that contains Sub form (SubformB) as I need a record to group the records in SubformB via MainFromA as an entry records.

I created a scripts to be executed when records in SubformB are imported via on success and the script will create an entry in MainFormA. With the filter, any new records imported will update the entry in MainFormA. However, in the MainFormA reports, when I try to edit, the records aren't shown in the form.

I need to edit the MainFormA to add records as I can't use Stateless Form with Subform. Appreciate if anyone can tell me linking the subform records to main form via import is possible and how do we do it?

Thanks in advanced!