Rails - Dec 2008 - how to get the value of dropdown box selected using collect_select()?

Hi,

I am trying to get the value of ''contenttype_id'' value from
the
''streams'' table like:

<%= collection_select
(:stream, :contenttype_id,@contenttypes,:id,:name),{},{onchange =>
"switchdiv(value)";}%>

here i want to recieve the vaule of selected option in switchdiv( ) as
argument.
my collection_select dropdown box contain names as video,audio,image
and speech with having values as 1,2,3 and 4 respectively.

so if i hardcoded as  value = 1 in switchdev() function like
switchdiv(1) am able do functionality what i implemented in switchdiv
function,

instead of hardcdoing i want to get the "value" of "name"
from
dropdownbox.
ex:if i select name as ''video'' i shoud get the value as
''1''
can anyone give idea to get the value from collect_select?
thanks
Srikanth
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On 26 Dec 2008, at 17:37, srikanth wrote:
>
> Hi,
>
> I am trying to get the value of ''contenttype_id'' value
from the
> ''streams'' table like:
>
> <%= collection_select
> (:stream, :contenttype_id,@contenttypes,:id,:name),{},{onchange =>
> "switchdiv(value)";}%>
>
> here i want to recieve the vaule of selected option in switchdiv( ) as
> argument.
> my collection_select dropdown box contain names as video,audio,image
> and speech with having values as 1,2,3 and 4 respectively.
>
> so if i hardcoded as  value = 1 in switchdev() function like
> switchdiv(1) am able do functionality what i implemented in switchdiv
> function,
>
> instead of hardcdoing i want to get the "value" of
"name" from
> dropdownbox.
> ex:if i select name as ''video'' i shoud get the value as
''1''
> can anyone give idea to get the value from collect_select?
> thanks
switchdiv($F(''id_of_the_select_tag'')) will do the trick if you
have
prototype library loaded

Fred
>
> Srikanth
> >

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