Rails - Feb 2008 - Select option passes value => nil, not name => value

Hello. I''m trying to have a select box in one of my views be observed
for change and have the value of the select box be accessible via
params[:name] in my controller. However, no matter what I try the select
parameters sent back to the server are always in params as "value =>
nil". That makes it quite difficult to get the value of the select box
since value is different for every selection.

Here is what I''ve tried.

1. Simple HTML approach

<select id="bird" name="bird">
  <option value="3">Bald Eagle</option>
</select>
<%= observe_field("bird", :url => url(:avian, :hunt)) %>

2. Rails approach

<%= collection_select("avian", "avian_id",
Avian.find(:all).sort,
:avian_id, :description, :include_blank => true) %>
<%= observe_field("avian_avian_id", :url => url(:avian, :hunt))
%>

In case 1 the parameters related to the select that appear with params
are "3 => nil". Similar feedback for case 2. In neither case is the
select in a form. I figured that is not necessary since my HTML is valid
and the observer is monitoring the select. I''ve tried wrapping the
select in a simple <form></form> but no luck.

Obviously I am missing something because I cannot find posts related to
this topic in this forum or elsewhere on the ''net. I''m trying
to take
the simplest approach here. Can someone please clue me in? Thanks!
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Have u tried using the :with argument?

<%= observe_field ''avian_avian_id'',
         :url => url(:avian, :hunt),
         :with => ''name'' %>

http://api.rubyonrails.org/classes/ActionView/Helpers/PrototypeHelper.html#M000966

Regards,
Jabbslad


On Feb 21, 2:59 pm, Chris Stump
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> Hello. I''m trying to have a select box in one of my views be
observed
> for change and have the value of the select box be accessible via
> params[:name] in my controller. However, no matter what I try the select
> parameters sent back to the server are always in params as "value
=>
> nil". That makes it quite difficult to get the value of the select box
> since value is different for every selection.
>
> Here is what I''ve tried.
>
> 1. Simple HTML approach
>
> <select id="bird" name="bird">
>   <option value="3">Bald Eagle</option>
> </select>
> <%= observe_field("bird", :url => url(:avian, :hunt)) %>
>
> 2. Rails approach
>
> <%= collection_select("avian", "avian_id",
Avian.find(:all).sort,
> :avian_id, :description, :include_blank => true) %>
> <%= observe_field("avian_avian_id", :url => url(:avian,
:hunt)) %>
>
> In case 1 the parameters related to the select that appear with params
> are "3 => nil". Similar feedback for case 2. In neither case
is the
> select in a form. I figured that is not necessary since my HTML is valid
> and the observer is monitoring the select. I''ve tried wrapping the
> select in a simple <form></form> but no luck.
>
> Obviously I am missing something because I cannot find posts related to
> this topic in this forum or elsewhere on the ''net. I''m
trying to take
> the simplest approach here. Can someone please clue me in? Thanks!
> --
> Posted viahttp://www.ruby-forum.com/.
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That did the trick, thank you.
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