[Answer]-How to use field in a linked table as a field in django-crispy-forms?

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from yourapp.models import PhoneNumber    

class CustomerCreateForm(forms.ModelForm):
    '''
    Base form for creating customers
    '''
    def __init__(self, *args, **kwargs):
        self.helper = FormHelper()
        self.helper.layout = Layout(
            Fieldset(
                'Personal Information',
                'phone_number',
            ),
         FormActions(
             Submit('submit' , 'Submit' , css_class='btn btn-success'), 
             Button('cancel' , 'Cancel' , css_class='btn btn-warning', 
                    onclick='javascript:history.go(-1);'), 
             )
         )
         super(CustomerCreateForm, self).__init__(*args, **kwargs)
         self.fields["phone_number"].choices = \
         [(item.number, item.number) for item in PhoneNumber.objects.all()]

         class Meta:
             model = Customer
             exclude = (
                 'create_user',
                 'modify_user'
             )
👤Calvin Cheng

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