First save the form after the user has input values using - `userform.save()` Then get that value using - val = userform.CharField Now send the `val` in the context and show it to user wherever you want
PS- `CharField` would be whatever varuable name you have used in form/ModelForm On Sun, 9 Jun 2019, 02:39 Majid Rafiee, <[email protected]> wrote: > I am trying to create a form which asks user to input a value, do some > calculations on it and show the results back to the user. Here is what I've > done: I have created an app called QMarcum. Inside this app I have this > views.py, forms.py and urls.py: > > views.py > > from django.shortcuts import render > from scipy.integrate import quad > import scipy, numpy, math > from scipy import integrate > from django.http import HttpResponse > from .forms import Calculate > > def integrand(x): > Q_y = (1/(math.sqrt(2*math.pi)))*math.exp((-x**2)/2) > return Q_y > y = Calculate.y > ans, err = quad(integrand, float(y), math.inf) > print(ans) > return render(request, 'test.html', {'form': Q_y}) > forms.py > > from django import forms > > class Calculate(forms.Form): > y = forms.FloatField() > urls.py > > from django.urls import path > from . import views > > urlpatterns = [ > path('form', views.integrand), > ] > form.html > > <!DOCTYPE html> > <html lang="en"> > <head> > <meta charset="UTF-8"> > <title>Title</title> > </head> > <body> > <form method="post"> > {% csrf_token %} > {{ form }} > <button type="submit">Submit</button> > </form> > </body> > </html> > The form asks user to input a value (y) (y is printed on terminal > successfully), however, print(ans) doesn't print the value AND also I don't > know how to show the calculated result (ans) to user. > > Thanks in advance > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/b77e2ebd-a440-4eb5-bd9d-a6635edd56a8%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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAC3mK7cZ_y_C2B9kY3rukQMAXT9LohEk1cgBzxg_zzAKihW9ng%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.

