'QuerySet' object has no attribute '_meta'
groups.google.com › g › django-usersNov 21, 2008 · You don't show us ProductForm but I can guess it is a ModelForm for Product. A ModelForm is designed to display and let you edit one individual object from the DB, not multiple. Thus the 'instance' parameter to a model form is supposed to be one single instance of a model, not a QuerySet. A model formset might be closer to what you are looking for:
Model _meta API | Django documentation | Django
docs.djangoproject.com › en › 4The model _meta API is at the core of the Django ORM. It enables other parts of the system such as lookups, queries, forms, and the admin to understand the capabilities of each model. The API is accessible through the _meta attribute of each model class, which is an instance of an django.db.models.options.Options object.
Model Meta options | Django documentation | Django
docs.djangoproject.com › en › 4To save you time, Django automatically derives the name of the database table from the name of your model class and the app that contains it. A model’s database table name is constructed by joining the model’s “app label” – the name you used in manage.py startapp – to the model’s class name, with an underscore between them.