class RegisterForm(forms.ModelForm):
Gebruikersnaam = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Gebruikersnaam'}), max_length=20, label="")
Wachtwoord = forms.CharField(widget=forms.PasswordInput(attrs={'placeholder': 'Wachtwoord'}), label="")
Emailadres = forms.EmailField(required=False, widget=forms.TextInput(attrs={'placeholder': 'E-mailadres'}), label="")
Profielfoto = forms.ImageField(required=False, label="")
Biografie = forms.CharField(required=False, widget=forms.TextInput(attrs={'placeholder': 'Biografie'}), max_length=150, label="")

class Meta:
    model = Profiel
    fields = ['Gebruikersnaam', 'Wachtwoord', 'Emailadres', 'Profielfoto', 'Biografie']

class Profiel(models.Model):
user = models.OneToOneField(User, primary_key=True)
Profielfoto = models.ImageField()
Biografie = models.CharField(max_length=150)

def step3(request):

if request.method == 'POST':
    form = RegisterForm(request.POST)
    if form.is_valid():
        Registratieform = form.save(commit=False)
        username = form.cleaned_data['Gebruikersnaam']
        password = form.cleaned_data['Wachtwoord']
        user = authenticate(username=username, password=password)

        Registratieform.user = request.user  # Set the user object here
        Registratieform.save()  # Now you can send it to DB
        if Registratieform.user is not None:
            if Registratieform.user.is_active:
                login(request, Registratieform.user)
                return redirect('/Dashboard/')

        return render_to_response("Home/index.html", {'form': form})
else:
    form = RegisterForm()
return render(request, 'Home/index.html', {'form': form})