On Thu, Dec 4, 2014 at 6:46 PM, inoyon artlover KLANGRAUSCH
<inoyonartlo...@googlemail.com> wrote:
> Great, it works with one form but not with an another...
> Btw. how is it possible to overwrite the 'this field is required' error
> message?
You can provide your custom set of default errors to the form field
definition, e.g.:
my_default_errors = {
'required': 'You better enter this field!',
'invalid': 'You can do better than that!'
}
class MyForm(forms.Form):
some_field = forms.CharField(error_messages=my_default_errors)
>
> Many thanks and best regards! :)
>
> Am Donnerstag, 4. Dezember 2014 23:01:15 UTC+1 schrieb larry....@gmail.com:
>>
>> On Thu, Dec 4, 2014 at 4:54 PM, inoyon artlover KLANGRAUSCH
>> <inoyona...@googlemail.com> wrote:
>> > Hi there, I got a following Form-Class:
>> >
>> >
>> > class CustomUserprofileInterestsForm(forms.ModelForm):
>> >
>> > interests = forms.ModelMultipleChoiceField(
>> > queryset=Interests.objects.all(),
>> > widget=forms.CheckboxSelectMultiple)
>> >
>> >
>> > I want to limit the choices for example to 6 of all displayed.
>> > Is it possible with some optional arguments I don't know somehow?
>> >
>>
>> You can write your own clean method on the form, e.g.:
>>
>> def clean_interests(self):
>> value = self.cleaned_data['interests']
>> if len(value) > 6:
>> raise forms.ValidationError("You can't select more than 6 items.")
>> return value
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