Rails - Jan 2008 - getting multiple select to work: options_for_select

Hi,

<%= select_tag ''image_id'',
options_for_select(Image.find(:all) {|
an_image| [ an_image.name, an_image.id ] }), :multiple => true
%></p>

* I am in a view, and I am trying to search the image table and make a
multiple select box with each image''s name.
* Right now it is working, but I see this:

---------------------------------------------
#<Image:0xklasjdka>             |
#<Image:0xklasb987>            |
#<Image:0xkla9a8sd>            |
#<Image:0xklasasjd>             v
---------------------------------------------


* The desired end result should look like this:

---------------
top.jpg       |
back.jpg    |
left.jpg       |
upper.jpg   v
---------------

Can anyone tell me why I am getting this object back like this, and
how to fix it?

-truchty

( ps  I am a rails n00b )

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Jerzy :
> <%= select_tag ''image_id'',
options_for_select(Image.find(:all) {|
> an_image| [ an_image.name, an_image.id ] }), :multiple => true
%></p>
You''re attaching a block to Image.find that doesn''t need one.
You should chain with a map method like that :

Image.find(:all).map { |an_image| [ an_image.name, an_image.id ] }

You can use script/console to find the right expression and have
instant feedback.

   -- Jean-François.

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