antdking

class OrderForm(forms.ModelForm):
    class Meta:
        model = Order
        fields = ['book_title', 'customer', 'internal_design', 'paid', 'start_date']

    campaign = forms.ModelMultipleChoiceField(queryset=Campaign.objects.all())

    def _save_m2m(self):
        super()._save_m2m()
        campaign = Campaign.objects.get(pk=self.cleaned_data['campaign'])

antdking

"""
Copyright (C) 2015 Fastboot Mobile, LLC. (http://fastbootmobile.com)

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software