I was able to figure this out. In case anyone is wondering... I used the Display property rather than visible and it works
So..
RadGrid1.Columns(0).Display = False
rather than
RadGrid1.Columns(0).Visible = False
I was able to figure this out. In case anyone is wondering... I used the Display property rather than visible and it works
So..
RadGrid1.Columns(0).Display = False
rather than
RadGrid1.Columns(0).Visible = False