neće raditi ali ne zbog html već zbog greške u views
probaj ovako
def productsgrouping_update_view(request, url_id):
assigned = get_object_or_404(Material, pk=url_id)
naravno prvo moraš da importuješ get object or 404:
from django.shortcuts import get_object_or_404
уто, 29. јан 2019. у 12:00 Ivan Martić <[email protected]> је
написао/ла:
> Bok Nebojša,
>
> mislim da je stvar u HTML možda prije, jer mi je ranije sve radilo..u
> jednom trenu je puknula veza. Neznam točno kada.
> Znači, da odem na url *productsgrouping *prikaze sve grupe, kad kliknem
> na grupu (dodam joj a=href) no reverse mathc, ako maknem atribute u url
> dobijem #, a ako ručno upišem productsgrouping/update/1 onda prikaze i
> nastavi sve kako treba.
> Znaci samo nemogu povezati ta dva linka....pogledaj htmlove u privitku
>
> hvala ti za pomoć
>
>
> uto, 29. sij 2019. u 11:35 Nebojsa Hajdukovic <[email protected]>
> napisao je:
>
>> A što ne uradiš update preko class based view daleko je lakše?
>>
>> https://docs.djangoproject.com/en/2.1/ref/class-based-views/generic-editing/
>>
>> Ako hoćeš preko funkcije ja radim sa get_object_or_404, ovako:
>> def productsgrouping_update_view(request, url_id):
>> product_lista = get_object_or_404(MaterialGroup, pk=url_id)
>>
>>
>> уто, 29. јан 2019. у 10:20 Ivan Martić <[email protected]> је
>> написао/ла:
>>
>>> not sure what to say
>>>
>>> čet, 24. sij 2019. u 13:53 Ivan Martić <[email protected]> napisao
>>> je:
>>>
>>>> Hi Andréas,
>>>> sorry for misspeling in codes. All is working ok except when i try to
>>>> put url tag for 'update_productsgrouping'.
>>>> I need to update group with new products but It does not argument for
>>>> group id.
>>>> What do you think i am doing wrong...?
>>>>
>>>> čet, 24. sij 2019. u 13:43 Andréas Kühne <[email protected]>
>>>> napisao je:
>>>>
>>>>> Hi,
>>>>>
>>>>> The reason you are getting this is that you are adding an argument to
>>>>> the productsgrouping url - which doesn't take any arguments.
>>>>>
>>>>> In your code you have:
>>>>> <a href="{% url 'productsgrouping' item.id%}"></a>
>>>>> (Which by the way isn't correct either, I think you mean: <a href="{%
>>>>> url 'productsgrouping' item.id%}">{{ item }} - {{item.id}} </a>)
>>>>>
>>>>> If you look at the url for the producsgrouping view, you have:
>>>>> path('', views.productsgrouping_view, name='productsgrouping'),
>>>>>
>>>>> Which doesn't take any arguments, when you then add an argument django
>>>>> can't find the right URL.
>>>>>
>>>>> You may mean:
>>>>> <a href="{% url 'update_productsgrouping' item.id%}">{{ item }} - {{
>>>>> item.id}} </a>
>>>>> ?
>>>>>
>>>>> Regards,
>>>>>
>>>>> Andréas
>>>>>
>>>>>
>>>>> Den tors 24 jan. 2019 kl 13:28 skrev Ivan Martić <
>>>>> [email protected]>:
>>>>>
>>>>>> Hi all,
>>>>>>
>>>>>> i am having issue with url tag, every time i put url tag like --{%
>>>>>> url 'productsgrouping' item.id%}-- i get no reverse error.
>>>>>> Can you help me figure it out on what am i doing wrong?
>>>>>>
>>>>>> view:
>>>>>> def productsgrouping_view(request):
>>>>>> queryset = MaterialGroup.objects.all()
>>>>>> context = {"list" : queryset}
>>>>>> return render(request, 'qif/productsgrouping/productsgroup.html',
>>>>>> context)
>>>>>>
>>>>>> def productsgrouping_update_view(request, url_id):
>>>>>> product_lista = MaterialGroup.objects.get(id=url_id)
>>>>>> product_url_id = ProductgroupinputForm(request.POST or None,
>>>>>> instance=product_lista)
>>>>>> context1 = {'product_url_id': product_url_id, 'product_lista':
>>>>>> product_lista}
>>>>>>
>>>>>> if product_url_id.is_valid():
>>>>>> product_url_id.save()
>>>>>>
>>>>>> return render(request, 'productsgroup-update.html', context1)
>>>>>>
>>>>>> url:
>>>>>> urlpatterns = [
>>>>>> path('', views.productsgrouping_view, name='productsgrouping'),
>>>>>> path('update/<int:url_id>/', views.productsgrouping_update_view,
>>>>>> name='update_productsgrouping'),
>>>>>> path('new/', views.creategroup_view, name='create_group'),
>>>>>> ]
>>>>>>
>>>>>> html:
>>>>>> {% extends 'base.html' %}
>>>>>> {% block content %}
>>>>>> <ul >
>>>>>> {% for item in list %}
>>>>>> <h1>
>>>>>> <a href="{% url 'productsgrouping' item.id%}"></a>
>>>>>> {{ item }} - {{item.id}}
>>>>>> </h1>
>>>>>> {% endfor %}
>>>>>> {% endblock %}
>>>>>>
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