This should be in the FAQ if not already.
In any case, here's a link...
http://www.web2pyslices.com/slice/show/1526/cascading-drop-down-lists-with-ajax-2
On Monday, August 26, 2013 10:39:07 AM UTC-7, sasogeek wrote:
>
> I've made a database table in this format,
> db.define_table('user',
> Field('country', requires=IS_IN_DB(db, 'country.id', '%(name)s')),
> Field('school', requires=IS_IN_DB(db, 'school.id', '%(name)s')),
> )
>
> db.define_table('country',
> Field('name'),
> )
>
> db.define_table('school',
> Field('name'),
> )
>
> how can i ensure that, when a user selects a certain country, only certain
> schools are shown in the school dropdown menu? and different schools are
> shown for a different country?
>
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