[Answered ]-Submitting data from 1 table to another table

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The field forms.ModelMultipleChoiceField needs a model for the choices.

If you want to assign strings, you can use forms.MultipleChoiceField instead.

sname = forms.MultipleChoiceField(
    # list of tuples; the first of each pair is the value to be
    # returned when selected, the second is the value to be displayed
    choices=[
        (e, e)
        e for e in CustomStudent.objects.all().values_list('sname', flat=True)],
    required=False,
    widget=forms.CheckboxSelectMultiple(
        attrs={'class':' form-check-input'  ' form-check-inline'}))

See detailed description of the attribute choices.

👤Ralf

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