You can use the element function on the created form to locate the
field (as explained in the book section "Server-side DOM and Parsing"
in chapter 5) and add the onchange to it:
c = form.element(_name='City')
c['onchange'] = XML("ajax('function_name', ['City'], 'target_div');")
On Feb 6, 4:05 am, shartha <m.mirghorb...@gmail.com> wrote:
> I have a drop-down menu created from a field in my DB using
> SQLForm.factory. How can I assign an Ajax function to the onchange
> event of the drop-down menu?
>
> The drop-down menu is created from a table called "cities" by:
>
> form = SQLFORM.factory(Field('City', requires=IS_IN_DB(db,
> 'cities.id', '%(name)s',error_message='Please select a city',
> zero=None)), submit_button='Next')
>
> I would like to have an ajax function that has the city selected from
> the drop-down menu as a parameter and is run every time the selection
> changes. Something like:
>
> onchange="ajax('function_name', ['City'], 'target_div');"
>
> Any help would be appreciated.
>
> Thanks.
