hi,
i wrote
def after_save(sender,instance,created,**kaw):
instance.acct_number ='RBSB' + str(instance.id)
instance.save()
post_save.connect(after_save,sender=Selector)
once when i save it gives out error like
"maximum recursion depth exceeded in cmp "Exception
I 'm not aware how to save back to the database ,please help
Thanks
guptha
On Feb 14, 4:02 pm, Daniel Roseman <roseman.dan...@googlemail.com>
wrote:
> On Feb 14, 6:28 am, guptha <gjango...@gmail.com> wrote:
>
>
>
> > hi ,
> > In models.py i have
> > class Customer(...)
> > bill_no=models.CharFeild(...)
>
> > All i need to access the field 'bill_no' and assign a value, In
> > views.py i wrote
>
> > from django.db.models.signals importpost_save
> > from mypro.myapp import Customer
>
> > def after_save(sender,instance,created,**kaw):
> > sender.bill_no='INV'+ str(sender.id)
>
> > post_save.connect(after_save,sender=Customer)
>
> > i'm getting an exception as attribute bill_no and id is not found ,so
> > i checked the db tables ,they are present, I suppose i misunderstood
> > the concept .Please help me to find the fault
>
> The object being saved is 'instance', not 'sender'.
> Also, don't forget to save the changes to the object after modifying
> it.
> --
> DR.
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