[AccessD] get focus back to subform - URGENT

Must be a bad day....

>From a control on a subform, when I say 
me.parent.requery,

I then cannot get the focus back to my control on the subform using:

me.controlname.setfocus.

Any tips? This should be easy stuff but driving  me mad today.........
tia

Kath
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Kath Pelletti