You are right, if I used an non-empty list to submit, both forms work fine. so the widget = SQLFORM.widgets.radio.widget did have different behavior to the form submission.
On Feb 7, 11:08 pm, DenesL <denes1...@yahoo.ca> wrote: > It will work if you have values inside the IS_IN_SET validators in > your controller, e.g. > > IS_IN_SET([1,2,3,4],multiple='multiple')
