collection_select
and select
Rails helpers: Which one should I use?
I can't see a difference in both ways. Both helpers take a collection and generates options tags inside a select tag. Is there a scenario where collection_select
is better than select
? or is anything I am missing here?
collection_select
is intended to be used when the list of items is an array of ActiveRecord objects. collection_select
is built on the top of select
so it's a convenient method when you need to display a collection of objects and not an array of strings.
collection_select(:post, :author_id, Author.find(:all), :id, :name)
I have written something on that a while back, have a look at http://nasir.wordpress.com/2007/11/02/not-binding-your-selection-list-to-a-particular-model-in-rails/
Hope that helps
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