id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 30898 Multi FormSet form Error object has no attribute instance. azharsaleem9 azharsaleem9 "I'm working with multi Formset and get this problem. I mentioned my code blow please check and help me to solve this issue. Thanks **'VoucherEnteryForm' object has no attribute 'instance'** == **views.py** {{{ def index(request): voucherEnteryFormset = modelformset_factory( VoucherEntery, form=VoucherEnteryForm, fields=('group', 'subGroup', 'obtainMarks', 'totalMarks', 'grade')) form = JournalVoucherForm(request.POST or None) formset = voucherEnteryFormset( request.POST or None, queryset=VoucherEntery.objects.none(), prefix='jounarlvoucher') if request.method == 'POST': if form.is_valid() and formset.is_valid(): try: with transaction.atomic(): voucher = form.save(commit=False) voucher.save() for entery in formset: data = entery.save(commit=False) data.voucher = voucher data.save() except IntegrityError: print('Error Encountered') return redirect('home-page') context = { 'formset': formset, 'form': form } return render(request, 'myform.html', context) }}} == **models.py** {{{ class JounarlVoucher(models.Model): name = models.CharField(max_length=50) datevc = models.DateField(auto_now=False) reference = models.CharField(max_length=10) jrcode = models.IntegerField() createdAt = models.DateTimeField(auto_now_add=True) def __str__(self): return self.name class Meta: db_table = ""JounarlVoucher"" class VoucherEntery(models.Model): voucher = models.ForeignKey( JounarlVoucher, related_name='jounarlvoucher', on_delete=models.CASCADE) group = models.CharField(max_length=50) subGroup = models.CharField(max_length=50) obtainMarks = models.IntegerField() totalMarks = models.IntegerField() grade = models.CharField(max_length=10) createdAt = models.DateTimeField(auto_now_add=True) def __str__(self): return self.voucher class Meta: db_table = ""VoucherEntery"" }}} == **forms.py** {{{ class JournalVoucherForm(forms.Form): name = forms.CharField(label='Name', required=True, widget=forms.TextInput( attrs={ 'class': 'form-control', 'placeholder': 'Name' } )) datevc = forms.DateField(label='Date', input_formats=['%Y/%m/%d'], widget=forms.DateTimeInput( attrs={ 'class': 'form-control', } )) reference = forms.CharField(label='Ref', required=False, widget=forms.TextInput( attrs={ 'class': 'form-control', } )) jrcode = forms.IntegerField(label='Code', required=False, widget=forms.NumberInput( attrs={ 'class': 'form-control', } )) class VoucherEnteryForm(forms.Form): group = forms.ChoiceField(label='Group', required=True, choices=myGroup, widget=forms.Select( attrs={ 'class': 'form-control formset-field', } )) subGroup = forms.ChoiceField(label='Sub Group', required=True, choices=subGroup, widget=forms.Select( attrs={ 'class': 'form-control formset-field', } )) obtainMarks = forms.IntegerField(label='Obtain Marks', required=True, widget=forms.NumberInput( attrs={ 'class': 'form-control formset-field', } )) totalMarks = forms.IntegerField(label='Total Marks', required=True, widget=forms.NumberInput( attrs={ 'class': 'form-control formset-field', } )) grade = forms.CharField(label='Grade', required=True, widget=forms.TextInput( attrs={ 'class': 'form-control formset-field', } )) }}} == **HTML Template** {{{
{% csrf_token %} {{ form.as_p }} {% for data_frm in formset %} {{ data_frm.group }} {{ data_frm.subGroup }} {{ data_frm.obtainMarks }} {{ data_frm.totalMarks }} {{ data_frm.grade }} {% endfor %} {{ formset.management_form }}
}}} " Bug closed Forms 2.2 Normal invalid Formsets, forms, object has no attribute instance Unreviewed 0 0 0 0 0 0