Django DetailView get_context_data -

i'm new in django. there html page (project_details) should show title , tasks of project, shows title of project, not tasks. tasks exists, problem filter!!!

views.py the error here

from .models import project,task django.views.generic import listview, detailview  class projectslist(listview):   template_name = 'projects_list.html'   queryset= project.objects.all()  class projectdetail(detailview):   model = project   template_name = 'projects_details.html'    def get_context_data(self, **kwargs):     context = super(projectdetail, self).get_context_data(**kwargs)     ## context list of tasks of project##     ##this error##     context['tasks'] = task.object.filter(list=project) <---->here ((work task.object.all() ))      return context 

models.py

class project(models.model):    title = models.charfield(max_length=30)    slug = autoslugfield(populate_from='title', editable=false, always_update=true)  class task(models.model):   title = models.charfield(max_length=250)   list = models.foreignkey(project)   slug = autoslugfield(populate_from='title', editable=false, always_update=true) 

urls.py

from django.conf.urls import url .models import project .views import  projectslist, projectdetail  urlpatterns = [    url(r'^$', projectslist.as_view(), name='project_list'),    url(r'(?p<slug>[\w-]+)/$',projectdetail.as_view() , name='project_details'),] 

projects_details.html

{% extends './base.html' %} {% block content %}  <div> <a href={{ object.get_absolute_url }}> <h4> {{object.title}} </h4> </a> <ul> {% task in tasks %} <----> no output <li> <li> {{task}}</li> {% endfor %} </ul> </div> {% endblock content %} 

sorry bad english.

project model class, doing (list=project) doesn't make sense.

if want access object in detail view's get_context_data method, can use self.object:

def get_context_data(self, **kwargs):     context = super(projectdetail, self).get_context_data(**kwargs)     context['tasks'] = task.objects.filter(list=self.object)     return context 

however, don't have override get_context_data method @ all. in template, can follow relationship backwards project tasks:

{% task in object.task_set.all %}   <li>{{task}}</li> {% endfor %}