In a formwizard I want to use a custom query, based on previous choices.
The form renders well, but when the step is submitted I get an "Select a
valid choice. That choice is not one of the available choices." error
Here is the get_form part in my views.py (simplified):
def get_form(self, step=None, data=None, files=None):
form = super(BoekingWizard, self).get_form(step, data, files)
if step == 'step3':
form.fields['Activiteit'].queryset = Activiteit.objects.all()
return form
Here is the part from my forms.py:
class BoekForm3(forms.Form):
Activiteit = forms.ModelChoiceField(queryset=Activiteit.objects.none(),
widget=forms.RadioSelect, empty_label=None)
Anybody an idea about this?
Rob
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