change sort order of modelchoicefield django

Question

how can I change the order of the values in the ModelChoiceField billing_company?

models.py

class Company(models.Model):
    name = models.CharField(max_length=30, unique=True)

forms.py

billing_company = forms.ModelChoiceField(Company.objects, required=True)

Thanks for your help. Tom

Answer 1

ModelChoiceField takes a QuerySet as its first parameter, so you should be able to pass an ordered set:

forms.ModelChoiceField(Company.objects.order_by('-pk'), required=True)