NoReverseMatch at /update-orders/12 Reverse for 'update_order' with arguments '('',)' not found. 1 pattern(s) tried: ['update\\-orders/(?P<pk>[0-9]+)$']

[Sergei Sokov]

Hello everybody

I have a problem:

NoReverseMatch at /update-orders/12

Reverse for 'update_order' with arguments '('',)' not found. 1 pattern(s) tried: ['update\\-orders/(?P<pk>[0-9]+)$']

Request Method:	GET
Request URL:	http://192.168.0.249:8000/update-orders/12
Django Version:	3.0.5
Exception Type:	NoReverseMatch
Exception Value:	Reverse for 'update_order' with arguments '('',)' not found. 1 pattern(s) tried: ['update\\-orders/(?P<pk>[0-9]+)$']
Exception Location:	/root/.local/share/virtualenvs/myp4-4l8n6HJk/lib/python3.7/site-packages/django/urls/resolvers.py in _reverse_with_prefix, line 677
Python Executable:	/root/.local/share/virtualenvs/myp4-4l8n6HJk/bin/python
Python Version:	3.7.3
Python Path:	['/var/workspace/myp4/webprint', '/usr/lib/python37.zip', '/usr/lib/python3.7', '/usr/lib/python3.7/lib-dynload', '/root/.local/share/virtualenvs/myp4-4l8n6HJk/lib/python3.7/site-packages']

Why do I have this Error during template rendering?

detail_order.html

{% extends 'index.html' %}

{% block content %}

<p><a href="{% url 'orders' %}">Back</a></p>

<h1>Заказ {{get_order.number_order}}</h1>

<h2><a href="{% url 'update_order' get_order.id %}">Update</a></h2>

views.py

class UpdateOrderView(CustomSuccessMessageMixin, UpdateView):

    model = Order

    template_name = 'detail_order.html'

    form_class = OrderForm

    success_url = reverse_lazy('detail_order')

    success_msg = 'Ok'

    def get_context_data(self, **kwargs):

        kwargs['update'] = True

        return super().get_context_data(**kwargs)

urls.py

from django.contrib import admin

from django.urls import path, include

from .views import *

from print import views

urlpatterns = [

    path('', views.home_page, name='index'),

    path('orders', views.OrderCreateView.as_view(), name='orders'),

    path('update-orders/<int:pk>', views.UpdateOrderView.as_view(), name='update_order'), # THIS PATH

    path('delete-orders/<int:pk>', views.DeleteOrderView.as_view(), name='delete_order'),

    path('detail-order/<int:pk>', views.DetailOrderView.as_view(), name='detail_order'),

    path('login', views.MyprojectLoginView.as_view(), name='login_page'),

    path('register', views.RegisterUserView.as_view(), name='register_page'),

    path('logout', views.MyprojectLogout.as_view(), name='logout_page'),

]

[Anonymous Patel]

Hey sergei.

Here is group know as errormania. This is group of Developers who are solving this errors we developer's are facing.

And here is the. Link which can help you so take a look and let them know you liked this channel.

If you like it they have telegram channel 

@errormania you can join that as well

https://youtu.be/RPl-3CqTjQE

Raj Patel

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[Raja Sekar Sambath]

path('detail-order/<int:pk>', views.DetailOrderView.as_view(), name='detail_order'),  

detail_order required primarykey to be passed to display the order.

success_url = reverse_lazy('detail_order')  

Primary key is missing here

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Thanks & Regards,

Raja Sekar Sampath

+91 9087434567.