Referring to a Subform from a Query

Question

In MS Access 2010, I have a Query which quotes the following in the Criteria;

[Forms]![frm_Add_Item_Subform].[ActiveControl].[Caption]

This let

Answer 1

This is how to refer to subforms:

Forms!mainFrm!subFormControlName.Form

so you need:

Forms!mainFrm!subFormControlName.Form.ActiveControl.Caption

where subFormControlName is the name of the subform control (not the name of the subform) in the main form (it shows when the subform control is selected in the main form)