Hi Richard,
In Access Expert 8 Lesson 1 at around 4:25 I ran into the same issue that Michael posted about on 11/27/2014, when trying to do the Command Button to open the ProductF. I chose the "Open the form and find specific data to display", but did not have any of the fields display for the ProductSubf and had all the fields display for the ProductF. I did have the ProductSubF open by itself at the time.
Thanks for any advice you can give me

Pat

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Reply from Alex Hedley:

Hi Patrick,
Which version of Access are you using.
People have had this issue when using 2007, if that's the case I'd advise upgrading if you can.
Could you try with the SubF not open and see if that helps