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setstat
2012 May 28
4
How to load a selection list into the method new of a controller?
...on...
When I create a new institution, I have to select a city from a drop-down
list. But I need to constrain this list with the state the cities belong
to. So I tried this way:
routes.rb:
Application.routes.draw do
get "states/index"
resources :institutions do
post ''selstate''
end
resources :cities
resources :states, only: :index
rake routes:
states_index GET
/states/index(.:format) states#index
institution_selstate POST
/institutions/:institution_id/selstate(.:format)
institutions#selstate...