Questions tagged [modelmultiplechoicefield]
12 questions
7
votes
2 answers
Reload choices dynamically when using MultipleChoiceFilter
I am trying to construct a MultipleChoiceFilter where the choices are the set of possible dates that exist on a related model (DatedResource).
Here is what I am working with so far...
resource_date = filters.MultipleChoiceFilter(
…

wakey
- 2,283
- 4
- 31
- 58
1
vote
1 answer
Django ModelMultipleChoiceField problem to save data in DB
I used to have a Multi select box in my form filled with a JSON list
forms.py
FRUIT_CHOICES= [
('Oranges', 'Oranges'),
('Cantaloupes', 'Cantaloupes'),
('Mangoes', 'Mangoes'),
('Honeydews', 'Honeydews')
]
class…

Nico44044
- 125
- 8
1
vote
0 answers
Power apps. Retrieve values of record with multiple choices in SharePoint list column for a dropdown box
For reference I have recreated this app https://www.matthewdevaney.com/make-a-power-apps-approvals-form/
I changed the equipment column to have multiple values and now some code dosent work because the entry is not a record anymore. I think it is a…

SittingDuck
- 11
- 2
1
vote
1 answer
Django: ModelMultipleChoiceField is applying underlying model's max_length validator to total length of selected results
I'm using a ModelMultipleChoiceField to allow users to select certain model objects to delete. It works fine when a single object is selected, but when multiple objects are selected then a validation error is triggered: "Ensure this value has at…

Andrew H
- 35
- 1
- 6
1
vote
0 answers
Django SessionWizardView ModelMultipleChoiceField issue
I am implementing formtools.wizard.views and on first form i have a ModelMultipleChoiceField when i select an option and move to next step i am able to get selected option but when ever i move to the previous step and when submit the form it gives…

AtizazAbid
- 11
- 3
1
vote
1 answer
Django ModelMultipleChoiceField gives me a ProgrammingError
I would like to get your help because I'm getting an issue which is a little bit weird to my mind.
I'm using Django 1.11.16
I have in my forms.py file this class :
class PublicationStatForm(forms.Form):
# publication_list =…

Essex
- 6,042
- 11
- 67
- 139
0
votes
1 answer
Django Form ModelMultipleChoiceField issue with saving data to db
I am creating my first proper Django application. It is a Library management system. I have three models:
class Authors(models.Model):
firstName = models.CharField(max_length=20)
lastName = models.CharField(max_length=20)
def…

Dr. Pegasus
- 3
- 1
0
votes
1 answer
How do i pass list to ModelMultipleChoiceField
This is the participant selection form
class EventFormAdmin(ModelForm):
name = forms.TextInput(attrs={'class':'form-control'}),
manager = forms.Select(attrs={'class':'form-select'}),
venue =…

Pavik
- 13
- 4
0
votes
0 answers
how to use choicefield in django
i have table in db in which i stores countries and i dynamically pass those countries in template and and in forms.pt i have a ChoiceField(widget=forms.Select,required=True) like this but i didnot get the value from this filed but when i chane it…

navdeep singh
- 45
- 4
0
votes
1 answer
Django save ManyToManyField Model with ModelMultipleChoiceField
So I know there are a few similar questions but none of the solutions worked for me. I've tried save(commit=false) and save_m2m as well as a bunch of other stuff but i get the error
NOT NULL constraint failed: home_services.managers_id
Anyways…

Orbital
- 565
- 3
- 13
0
votes
1 answer
how to receive modelform_instance.cleaned_data['ManyToMany field'] in view when form field is ModelMultipleChoiceField?
Here is the situation:
I have a model as below:
class School(Model):
name = CharField(...)
Permit model has three objects:
School.objects.create(name='school1') # id=1
School.objects.create(name='school2') # id=2
I have another…

Amin Ba
- 1,603
- 1
- 13
- 38
0
votes
1 answer
App works with ModelChoiceField but does not work with ModelMultipleChoiceField
I am trying to retrieve user input data in a django page. But I am unable to choose to multichoice field. I have tried multiple alternatives to no…