Referencing a control on an Access form is easy. Referencing a subform and its controls is a little more complex. To Access, a subform isn’t a form at all, but a control, so you must reference it as ...
Mainform + Subforms in Microsoft Access by crystal (strive4peace) free video tutorial: Mainform + Subforms for data from mutiple tables with a Microsoft Access User Interface crystal (strive4peace) ...
expression A variable that represents a SubForm object. Use the Subform/Subreport Field Linker to set these properties by choosing the Build button to the right of the property box in the property ...