Option button selection not filled in

I'm designing a form in Access. However, when I run the form, when I select an option button, it is not filled in. So it is not clear to the user that he has actually made a selection.
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Robert ShermanOwnerCommented:
It's not clear in your question whether this is happening for all option buttons or just a particular instance.   If you create a new, blank form in design mode, then add an unbound option button to the form, when you run the form are you able to click the option button and have it turn "on" and "off" as you click it?

If an option button on a form is not getting "filled in" when you click on it, it might indicate that the button is tied to a field that can not be changed for some reason.   Check the control source for the option button(s) that aren't working.   Do they point to fields that are editable in the form's record source?
Scott McDaniel (Microsoft Access MVP - EE MVE )Infotrakker SoftwareCommented:
If your buttons are part of an Option Group, you'll have to check the ControlSource of the Option Group. Buttons in an Option Group don't have a Control Source.
nmicheleAuthor Commented:
Hi Robert and Scott,

Thank you for your responses.

To clarify further, the Control Source is a field with data type 'Yes/No'.

This is happening for all option buttons in the Option Group.

As far as I can tell, the control source is editable. The label associated with the option button has a dotted line around it when the user clicks on it. Also, the value is stored correctly in the table when the user clicks an option, However the Option button is not filled in.
Scott McDaniel (Microsoft Access MVP - EE MVE )Infotrakker SoftwareCommented:
Option Groups store values as a Number, and each "item" in the group would have to be assigned an "Option Value" appropriate for the Option Group value.

Since you're using Yes/No, you will have to set the Option Value of your button to 0 or -1.

0 = False
-1 = True

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nmicheleAuthor Commented:
Thank you, guys!
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