CODEWITHSUNDEEP
djangodjango-forms
Ilya Bibik
Ilya Bibik

Reputation: 4114

Initial value in django form dropdown is not empty?

I have a form where I define selection criterias for report. One of the dropdowns 'building' that is auto populated from the model , should be not mandatory and have default value as empty. I can't achieve the empty part .

I want first field in my dropdown

in my form 

building = forms.IntegerField(
widget=forms.Select(
    choices=Building.objects.all().values_list('id', 'name')
    ) , required=False
 )

in view file when I initialize the code 

form = PaymentRangeForm(initial = {'building': 0 })

I use crispy forms in my template but I don't think it makes any difference.

     <form method="POST"  class="form" action="" method="get">
                {% csrf_token %}
                {{ form|crispy}} 
                <br>
                <button type="submit" class="btn btn-primary btn-primary">Search</button>
    </form>

I am not getting any error but the default is not empty it has a value of first record from the model.

What I am missing?

Upvotes: 3

Views: 2403

Answers (3)

Ilya Bibik
Ilya Bibik

Reputation: 4114

Ok Solution was simple. In my from file I have added 

from django.db.models.fields import BLANK_CHOICE_DASH

and updated the form 

class PaymentRangeForm(forms.Form):

    start_date = forms.DateField(widget=forms.TextInput(attrs={'type': 'date'} ))
    end_date = forms.DateField(widget=forms.TextInput(attrs={'type': 'date'} ))
    building = forms.ChoiceField(choices=BLANK_CHOICE_DASH + list(Building.objects.values_list('id', 'name')), required=False)

Upvotes: 3

Shaon shaonty
Shaon shaonty

Reputation: 1415

load crispy_forms_tags top of the template.

{% load crispy_forms_tags %}

 <form method="POST"  class="form" action="" method="get">
                {% csrf_token %}
                {{ form|crispy}} 
                <br>
                <button type="submit" class="btn btn-primary btn-primary">Search</button>
</form>

Upvotes: 0

Zhong
Zhong

Reputation: 1

According to Django, perhaps you could try it out without the .all() as below

choices=Building.objects.values_list('id', 'name')

Upvotes: -1

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