you're welcome, Mayank!
Adding initial to your ModelChoiceField definition should give you the
preselection.
self.fields['project'] = forms.ModelChoiceField(
initial=projectid,
queryset=Project.objects.filter(id=projectid)
)
On Sun, Apr 12, 2020 at 10:58 PM _M_A_Y_A_N_K_ <mayanktripath...@gmail.com>
wrote:
> Cool, thanks Antje.
>
> Seems it is working now, the only thing is in Drop-down i will have the
> Project Name for which the URL is rest of the PRojects are removed from
> drop down.
> Now will work to have pre-selected. As of now it will default display as
> ------ with only one required project name.
>
> Thanks & Regards,
> ---------------------
> Mayank Tripathi
> Mo. +1 615 962 2128
> "Do what you can, with what you have, where you are -by Theodore
> Roosevelt"
> https://datascience.foundation/datascienceawards
>
>
>
> On Sun, Apr 12, 2020 at 3:07 AM Antje Kazimiers <ntjka...@gmail.com>
> wrote:
>
>> Hi, I think in your view modulesView() you need to pass the project id to
>> ModuleForm:
>>
>> ..
>> else :
>> form = ModuleForm(projectid)
>> ..
>>
>> and then you need to overwrite the constructor of ModuleForm by adding an
>> __init__ function:
>>
>> def __init__(self, projectid=None, *args, **kwargs):
>> super(ModuleForm, self).__init__(*args, **kwargs)
>> if projectid is not None:
>> self.fields['project'] = forms.ModelChoiceField(
>> ...
>> queryset=Project.objects.filter(id=projectid)
>> )
>>
>> something like that. --Antje
>>
>> On Sunday, April 12, 2020 at 8:14:51 AM UTC+2, Mayank Tripathi wrote:
>>>
>>> Hi All,
>>>
>>> I am facing an issue, to pre-populate the Foreign Key on the web page.
>>> Actually i have two models Projects and Modules.
>>> To create a Module, one has to select the Project and go to Module page
>>> for create it, but there the Project is not populated.
>>>
>>> Below are the details... Please guide me.
>>>
>>> *models.py*
>>> class Project(models.Model):
>>> name = models.CharField(max_length = 200, null = True)
>>> startdate = models.DateTimeField()
>>>
>>> def __str__(self):
>>> return self.name
>>>
>>> class Modules(models.Model):
>>> project = models.ForeignKey(Project, null = True, on_delete =
>>> models.SET_NULL)
>>> modulename = models.CharField(max_length = 200, null = True)
>>> modulestartdate = models.DateTimeField()
>>>
>>> def __str__(self):
>>> return self.modulename
>>>
>>> *forms.py*
>>> class ProjectForm(forms.ModelForm):
>>> class Meta:
>>> model = Project
>>> fields = '__all__'
>>>
>>>
>>> class ModuleForm(forms.ModelForm):
>>> class Meta:
>>> model = Modules
>>> fields = '__all__'
>>>
>>> *views.py*
>>> def projectView (request):
>>> if request.method == 'POST':
>>> form = ProjectForm(request.POST)
>>> if form.is_valid():
>>> form.save(commit=True)
>>>
>>> return render(request, 'budget/projectForm.html', {'form': form})
>>>
>>> else :
>>> form = ProjectForm()
>>> return render(request, 'budget/projectForm.html', {'form': form})
>>>
>>>
>>> def modulesView (request, projectid):
>>> project = Project.objects.get(pk=projectid)
>>>
>>> if request.method == 'POST':
>>> form = ModuleForm(request.POST)
>>> if form.is_valid():
>>> form.save(commit=True)
>>>
>>> return render(request, 'example/modulesForm.html', {'form': form})
>>>
>>> else :
>>> form = ModuleForm(instance=project)
>>> return render(request, 'example/modulesForm.html', {'form': form})
>>>
>>> *urls.py*
>>> path('testproject/', views.projectView, name='projectView'),
>>> path('testprojectmodule/<str:projectid>/', views.modulesView,
>>> name='modulesView'),
>>>
>>> in html forms for both Project and Modules... just using {{
>>> form.as_table }}.
>>>
>>> Now after createing the Project, i used the url as
>>> http://127.0.0.1:8000/testprojectmodule/1/
>>> then my Project should get pre-populated... as reached using the project
>>> id which is 1 in this case, but i am getting full drop-down. Refer attached
>>> image.
>>> Either the Project should be pre-selected.. or can make it non-editable
>>> either will work for me.
>>>
>>> Please help.
>>>
>>>
>>> --
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