In addition to the Anthony's answer
<https://groups.google.com/d/msg/web2py/Ssr-fSfGCCw/k9RS3kFNDwAJ>, if you
want also experiment simple native client side validation for web form, you
could customize the field widget
Field('myfield', 'string', requires=IS_NOT_EMPTY(), widget=lambda f,v:
SQLFORM.widgets.string.widget(f,v,_required=True))
Read more
https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Forms/Data_form_validation#The_required_attribute
Il giorno mercoledì 28 dicembre 2016 13:24:57 UTC+1, Andrea Fae' ha scritto:
>
> Why if I use this option in Field table database but when I insert and I
> leave not typed this field the system accepted it?
>
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