Hi Tz Le,
On Tue, 2009-08-25 at 21:48 +0200, Tz Le wrote:
> I am trying to create a view/form that has a dropdown
>
> <p>
> <%= f.label :type_id%><br />
> <%= f.select :type_id,Type.all.collect{|c| [c.description,c.id]},
> :onchange=>"HERE I NEED TO DO SOMETHING WHAT?" %>
> <!-- on change or on select show drop down for value otherwise
> regular value -->
> </p>
>
> Now when they change and the id is now 5
> HERE I NEED TO CHECK THE VALUE SELECTED BY THE FIRST SELECT
> 1. How do I access the id of the first select and what was selected?
>
> I want to create:
> <p>
> <%= f.label :value %>
> <%= f.select :value,Test.get_tests.all.collect{|c|
> [c.description,c.test_id]} %>
> </p>
>
> If its not 5
> I want
> <p>
> <%= f.label :value %><br />
> <%= f.text_field :value %>
>
> Please if you can tell me how to access the first select- do I set an
> id? and what I do onchange since its in the same form a few lines down I
> want to have a different field.
You need to put an observe_field on the first field that makes an ajax
call to render a partial containing the second field with the
appropriate choices based on the first selection. Try a google search
on 'rails observe_field select'.
HTH,
Bill
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