Hello vineeth, thanks for information. u missed to mention about why we passing Question class and primary key in get_object_or_404() ? How passing such arguments gonna work?
On Sunday, April 14, 2019 at 1:25:13 PM UTC+5:30, vineeth sagar wrote: > > Hi Mayur, > > get_object_or_404, returns an object if it exists in the database or it > will raise a 404 exception. So if the object is in the DB, django render > template is done, in your case detail.html is rendered with the context > dictionary.If there's no row peertaining to the query, then Http404 is > raised. So django exception handling kicks in and based on the error code > and your debug parameter a particular template is selected. > > regards > Vineeth > > On Sun, 14 Apr 2019, 13:16 Mayur Bagul, <[email protected] <javascript:>> > wrote: > >> In below code i didnt understand how colored line of code is working with >> template code ? >> >> why we are passing Question and primary key? instead of dictionary to >> context variable. >> >> plz help me to get out of this confusion. >> >> thanking you. >> >> >> *view.py* >> >> >> from django.shortcuts import get_object_or_404, render >> >> from .models import Question >> # ... >> def detail(request, question_id): >> question = get_object_or_404(Question, pk=question_id) >> return render(request, 'polls/detail.html', {'question': question}) >> >> >> >> *detail.html* >> >> >> <h1>{{ question.question_text }}</h1> >> <ul> >> {% for choice in question.choice_set.all %} >> <li>{{ choice.choice_text }}</li> >> {% endfor %} >> </ul> >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/73130e11-1eaf-4f03-8b56-3d6d4be6fd50%40googlegroups.com >> >> <https://groups.google.com/d/msgid/django-users/73130e11-1eaf-4f03-8b56-3d6d4be6fd50%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/cce00cc0-35bd-4275-bb64-78073032966f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
