>If your form is not in the "user-defined formset class" :
> -it should go this way, the active form's parent.class = 'formset'
>otherwise,
> -"equal to the formset class' name"

This could be done easily with the ParentClass property, regardless of what the class of the formset is. But first check to make sure a parent exists.

The best way would be to use a Form Manager that you create, then you'd know, better yet, don't use Form Sets, IMO.