Example - Requesting main form fields, subform fields, main form grid columns, and subform grid columns.
formRequest.setReturnControlIDs("33|34|17[24,26,28]|50_45|50_53|50_9[35,39,41]");
In this example, 33|34
represent fields on the main form.
50_45|50_53
represent fields on the subform.
17[24,26,28]
represent main form grid columns.
50_9[35,39,41]
represent subform grid columns.