Cannot assign 1 : must be a instance
Web报错信息： django valueerror: cannot assign 3: employee.dept must be a department instance.1 原始代码： views.py def add_employee(request): name... WebA for loop is designed for iterating over a group of objects (e.g. a QuerySet that would be returned by using a filter()). If you just want to render the values of fields for a single instance, you do not need to use a for loop. Here is a link to the Django docs, for filter() - which returns a QuerySet (group of objects).
Cannot assign 1 : must be a instance
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WebJun 5, 2024 · class SessionChoiceField (forms.ModelMultipleChoiceField): def label_from_instance (self, obj): return obj.get_label () class BookingSessionForm (ModelForm): session = SessionChoiceField ( label="Select your session", queryset=None, required=True, widget = forms.CheckboxSelectMultiple, to_field_name = "title", ) class … WebOct 2, 2012 · Cannot assign must be a instance. Django. Ive been trying to create a django project that has users and those users can add titles of books they have created. …
Web1 Answer Sorted by: 4 You should assign a User to the Comment.user field. You are currently assigning the id instead. You can either do: comment = Comment (user=author, … WebOct 17, 2024 · Emotions are fundamental to the human condition. But can a robot ever truly experience emotions as we do?
WebNov 7, 2011 · 1 Answer Sorted by: 2 You're not showing where this error is happening (the code in the traceback) but it's most definitely a problem somewhere you're creating the model from the form. ValueError at /activity/add/product/ Cannot assign "u'Cameras'": "user_products.category" must be a "categories" instance. WebNov 30, 2024 · 1 Answer Sorted by: 0 obj = Percentages.objects.create ( major_cd = major_cd, perc = perc, ) When you do that, major_cd is the string "9999", it should be a Major instance. So you have to do, if you are sure the major_cd instance exists: obj = Percentages.objects.create ( major_cd = Major.objects.get (major_cd=int (major_cd)), …
WebMay 26, 2024 · 1 Answer Sorted by: 4 The Customer field should be a User instance, but you are passing a model instance to the Customer field while creating an AssistanceQuest. So change this Assistance = AssistanceQuest (Customer=user, Status= 'False',Request= Message, Tipology='Tecnica',Date_request=datetime.datetime.now ()) to
WebApr 13, 2024 · Django : How to fix this error in Django, "Cannot assign must be an instance."To Access My Live Chat Page, On Google, Search for "hows tech developer connect... rcw human remainsWebMar 21, 2024 · The instance you are trying to assign for user field is not the same as the instance that the user field accepts. In your model: user = … rcw identity theft credit cardWebApr 26, 2024 · 1 Answer Sorted by: 0 You can let Django's ModelForm do its work, this will create a ModelChoiceField [Django-doc], which is where the system gets stuck: it tries to assign the primary key to category, but that should be a ProductCategory object, so you can let Django handle this with: rcw human trafficking 2WebDec 21, 2024 · ValueError: Cannot assign must be an instance. I have the following pre-existing database table which contains and id and a description. I have to load this prior … rcw houstonWebMar 3, 2013 · the issue is right here: Cannot assign "[]": "Pet.owner" must be a "Store" instance. [] isnt a Store, its an array containing Store objects (in your case just one). in your … simultaneously editing a docWebAug 11, 2024 · When you send data to this form, it tries to make a Group record with a FK to a CharField for example "1" and this gives you error because you should pass Profile … simultaneously exampleWebMar 21, 2024 · The instance you are trying to assign for user field is not the same as the instance that the user field accepts. In your model: user = models.ForeignKey (HigherStudiesForms, on_delete=models.PROTECT, null=True, blank=True) user field points to HigherStudiesForms while request.user will return an instance from User model. simultaneously lyrics