This is useful about collection_select :)
http://shiningthrough.co.uk/blog/show/6
On Sep 24, 12:13 am, Eunice Tan <rails-mailing-l...@andreas-s.net>
wrote:
> Hi,
>
> I have some issues with setting the selected value. On my page, user
> selects a State from the drop down and other attributes and click on
> "Find". I want to set the default value of the drop down to the value
> selected prior to clicking "Find".
>
> <%=collection_select(:state, :state_id, @states, :state_id, :state_name,
> {:prompt => true, :selected => @selected_state},
> {:style => 'width:200px;',
> :onchange => remote_function(:url =>
> {:action => 'update_cities'},:with =>
> "'state_id='+value")})%>
>
> In my controller, if I have @selected_state = 1, the dropdown default
> value is shown in the UI. However, if I have @selected_state =
> state_id, the default value is not set.
>
> Snippet of the code in my controller:
>
> def find
> state_id = params[:state][:state_id]
>
> @selected_state = state_id
>
> /* Some logic here */
>
> @states = State.find(:all)
>
> respond_to do |format|
> format.html { render :action => "index" }
> end
> end
>
> Any pointers are appreciated. Thanks.
>
> --
> Posted viahttp://www.ruby-forum.com/.
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