Rails - Jul 2008 - Displaying Dropdown list value on selection of other dropdown list

Hi all,

I want to do like following,

I have Zone dropdown list, which contain West Zone, South Zone etc.
when i select a value from this,  i want to display all the regions in
the selected zone in Region dropdown.

What I have done is something like this, but it is not working good
for me

<select id="zone_id" name= "zone[id]"
onchange="<%remote_function(:url => { :action => :showR })
%>">

   <!-- <select id="zone_id" name= "zone[id]"
onclick="" >-->
      <% @r= Zone.find_by_sql("select id,ZONE_ZoneName from
zones")%>
<% for item in @r %>
<option value= "<%= item.id %>"><b><%=
item.ZONE_ZoneName -%></b></
option>
<% end %>
</select>

This calling the controller but the selected parameters are not pass
to the controller

I am doing this way.


Is there any other way to do this?
please help me, I am new to ROR

Thanks and Regards,
Shripad


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hi Kiran,

Thanks for ur reply
I have used what u have mentioned, but it is not solving my problem
do u have any other solution abt this.
What I have done for this is, i used observer_field it is working fine
in firefox but not working in IE do u have any solution

Thanks and regards
Shripad


On Jul 21, 3:42 pm, kiranH
<kiran.sou...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hope this helps....
>
> http://railsforum.com/viewtopic.php?pid=64003
>
> Thanks.
>
> On Jul 21, 11:04 am, Shripad
<shripad.josh...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > Hi all,
>
> > I want to do like following,
>
> > I have Zone dropdown list, which contain West Zone, South Zone etc.
> > when i select a value from this,  i want to display all the regions in
> > the selected zone in Region dropdown.
>
> > What I have done is something like this, but it is not working good
> > for me
>
> > <select id="zone_id" name= "zone[id]"
onchange="<%> > remote_function(:url => { :action => :showR
}) %>">
>
> >    <!-- <select id="zone_id" name=
"zone[id]" onclick="" >-->
> >       <% @r= Zone.find_by_sql("select id,ZONE_ZoneName from
zones")%>
> > <% for item in @r %>
> > <option value= "<%= item.id %>"><b><%=
item.ZONE_ZoneName -%></b></
> > option>
> > <% end %>
> > </select>
>
> > This calling the controller but the selected parameters are not pass
> > to the controller
>
> > I am doing this way.
>
> > Is there any other way to do this?
> > please help me, I am new to ROR
>
> > Thanks and Regards,
> > Shripad
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