Refreshing radiobuttons in c#

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C#

Hi
I have got 4 radio buttons on my form and a button. the radiobuttons lbl names change when the button is clicked, the radiobuttons lble names are updated with record names from a database.

is there a way I can refresh these radiobutton to be unchecked whenever the radio buttons lbl name is changed.
For example the issue I'm having is when I select a radiobutton1 and click the Button the lblname updates but radiobutton remains checked.. is there anyway I can change to be unchecked when lbl name changes.

I have tried to put the 4 radiobuttons in a groupbox and run:

groupBox1.Refresh()

it didn't work.

Thank you