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How can I edit form instance before it will be save using Class-Based-Views? - Using Django - Django Forum
![Question about form_valid: how to automatically set multiple fields when users input data via CreateView supported form? Question about form_valid: how to automatically set multiple fields when users input data via CreateView supported form?](https://groups.google.com/group/django-users/attach/ce4dc1d2d73b5/This_is_what_I_need.png?part=0.2)
Question about form_valid: how to automatically set multiple fields when users input data via CreateView supported form?
![Kumar Shwetabh on Twitter: "#DjangoTip #Django If you plan to override form_valid() method in your view file, make sure to call https://t.co/UYz9MYpisI_m2m() also in order to save many2many model relations also. The Kumar Shwetabh on Twitter: "#DjangoTip #Django If you plan to override form_valid() method in your view file, make sure to call https://t.co/UYz9MYpisI_m2m() also in order to save many2many model relations also. The](https://pbs.twimg.com/media/EZQtf1yVcAEeFHr.png)
Kumar Shwetabh on Twitter: "#DjangoTip #Django If you plan to override form_valid() method in your view file, make sure to call https://t.co/UYz9MYpisI_m2m() also in order to save many2many model relations also. The
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