My pleasure ;) Enjoy coding!
On 01 Oct 2014, at 22:04, zaiks0105 <lah...@gmail.com> wrote: > Daniel, > > I appreciate your help. I got drifted away yesterday and got back to it > today. I found my mistake: a fricking typo. My polls/detail.html look for > 'error_message' while I spelt 'error_messge' in my views.py. So the error msg > was never shown though the page was redirected properly. > > Thanks again! > > On Monday, September 29, 2014 9:36:31 AM UTC-4, Daniel Rus Morales wrote: > No, that’s not the cause, the lack of it would be. That line shows the > content of ‘error_message' when it does exist and has a value other than > None. But if you have it in your template the error must be somewhere else in > your code. Must be a simple syntax mistake you didn’t notice, either in the > template file or in the vote view. > > To be sure that your code is raising an exception you can place a print > statement right after the except, before the call to render. Replace the call > to render with these lines, they do the same but also print a message in the > console: > > except (KeyError, Choice.DoesNotExist): > # redisplay the question voting form > context = { > 'question': p, > 'error_message': "You didn't select a choice.", > } > print("context: ", context) > return render(request, 'polls/detail.html', context) > > > Click vote again and see what’s the output when you click on “Vote” without > selecting any choice. The text of the print statement will show up in the > console where you launched `python manage.py runserver`. > > If you see the output “context: “ and the ‘error_message’ string with the > actual message, then you have a syntax mistake in your template. Otherwise > it’s in your view. > > Cheers > > > On 29 Sep 2014, at 14:55, zaiks0105 <lah...@gmail.com> wrote: > >> I do. Is that line causing the behavior? >> >> >> >> On Monday, September 29, 2014 7:15:47 AM UTC-4, Daniel Rus Morales wrote: >> Hi Zaiks0105, >> >> Do you have the following line in "your polls/templates/polls/detail.html”? >> >> {% if error_message %}<p><strong>{{ error_message }}</strong></p>{% endif %} >> >> On 29 Sep 2014, at 12:48, zaiks0105 <lah...@gmail.com> wrote: >> >>> Hi, >>> >>> I am following Django official tutorial and have unanswered issue at part >>> 4, https://docs.djangoproject.com/en/1.7/intro/tutorial04/. Here is the >>> exception handling code, >>> >>> except (KeyError, Choice.DoesNotExist): >>> # Redisplay the question voting form. >>> return render(request, 'polls/detail.html', { >>> 'question': p, >>> 'error_message': "You didn't select a choice.", >>> }) >>> >>> When I run the server and click on [Vote] without selecting a choice, the >>> page does NOT show me the error message. The same voting page comes back as >>> if [Vote] was not clicked. >>> I checked my lines and everything seems identical per tutorial. >>> >>> Any help appreciated! >>> Thanks >>> >>> >>> -- >>> 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 django-users...@googlegroups.com. >>> To post to this group, send email to django...@googlegroups.com. >>> Visit this group at http://groups.google.com/group/django-users. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/django-users/69aaa1bb-5371-4aec-ae1f-fb44880e46b3%40googlegroups.com. >>> 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 django-users...@googlegroups.com. >> To post to this group, send email to django...@googlegroups.com. >> Visit this group at http://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/2adefa94-7801-48ad-af1f-1d5ec10ada86%40googlegroups.com. >> 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 django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/64a09fab-f34d-4847-9643-07290910f7c6%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout.
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