On Sat, May 16, 2009 at 11:07 AM, pradyumna <joshi.pradyu...@gmail.com>wrote:
>
> I am a newbie to Django.. I am wondering why I am getting 'Caught an
> exception while rendering: 'Car' object is not iterable?
>
> As per my understanding, in the template, if statement should not be
> true and else portion should be executed.
>
> Can anybody help me on this?
>
>
> View:
> --------
>
> def v_list(request,car_number=None):
>
> try:
> if car_number!=None:
> car_list=Car.objects.get(id=car_number)
> else:
> car_list=Car.objects.order_by('name')
>
> except:
> raise Http404('Requested Info. not found')
> cars_render=RequestContext(request,{'car_list':car_list})
> return render_to_response('cars.html',cars_render)
>
> Template:
> -------------
> {% if car_list %}
> {% for car in car_list %}
> {{car.id}} ,{{car.name}}
> {% endfor %}
>
> {%else%}
> {{car_list.name}}
> {% endif %}
>
> >
>
Using get() returns a single object, whereas using others methods returns a
QuerySet. A single object is just that, one object, whereas a QuerySet is a
group of objects, so you need to know which one you have to know how to work
with it.
Alex
--
"I disapprove of what you say, but I will defend to the death your right to
say it." --Voltaire
"The people's good is the highest law."--Cicero
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