[Rails] Passing a Record as a Parameter

[Greg Greaves]

Consider the following code:

Snippet from my view....

<% for cc in @classified_categories %>
<tr>
<td><%= link_to cc.description, :controller =>'classified_ads', :action 
=> 'list', :id =>cc %></td>
</tr>
<% end %>

... end snippet

the relevant bit is :id =>cc

Snippet from my controller...

def list
@classified_category = ClassifiedCategory.new(params[:id])
session[:classified_category_id] = @classified_category.id
session[:classified_category_name] = @classified_category.name

@classified_ad_pages, @classified_ads = paginate :classified_ads, 
er_page => 10

end

... end snippet

When I run it, I get the following error on the first line of the list 
action for the controller:

undefined method `stringify_keys!' for "1":String

It works fine if I just pass the actual id of the record as a parameter 
(:id => cc.id) but I'd like to pass the entire record if that's 
possible. Any suggestions?

-Greg

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