Hello,
I have a CBV with Createview. Now i have a Foreign Key from Box to Tabs
model. When i submit request then i get error:* Cannot assign "1":
"Box.tabs_link" must be a "Tabs" instance*. This happens on form.is_valid
I understand this error but i don't know how can i fix this.
*Models.py*:
class Box(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=200, default="", blank=False,
null=False) #Überschrift der Box
tabs_link = models.ForeignKey(Tabs, on_delete=models.CASCADE,
null=False,blank=False,choices=[
(c.id, c.name) for c in Tabs.objects.all()]
)
column =
models.PositiveIntegerField(choices=column_choices,blank=False,
null=False,default=0) #linke oder rechte Seite
position = models.PositiveIntegerField(default=1,blank=False,
null=False) #position auf der linken/rechten Seite
modul = models.PositiveIntegerField(choices=Modul_Auswahl,
default=0)
class Meta:
ordering = ["position","column"]
def __str__(self):
return self.name
*Views.py:*
class BoxCreateView(CreateView):
model = Box
template_name = 'marketing/boxcreate.html'
form_class = Boxform
success_url = reverse_lazy('boxlist')
def post(self, request, *args, **kwargs):
formbox = Boxform(self.request.POST)
if (*formbox.is_valid()*):
pass
*Forms.py*
class Boxform(forms.ModelForm):
class Meta:
model = Box
exclude = ('',)
labels = {
'tabs_link': 'Tabulator',
'column': 'Spalte',
}
widgets = {
'name': textinputfeld,
'position': integerfeld,
'column': integerfeld,
'modul': selectfield,
'tabs_link': selectfield,
}
Regards
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