looking here solved my problem. http://gregmoreno.ca/rails-3-upgrade-part-4-prototype-helpers-and-javascript/
I think observe_field is a good method to be included. Can't understand why it's not there. Thank you all! On Jan 9, 3:18 pm, Ahmy Yulrizka <[email protected]> wrote: > looking > athttp://apidock.com/rails/v2.3.8/ActionView/Helpers/PrototypeHelper/ob... > > i thinkt that method is opt out on 2.3.8 > > maybehttp://railscasts.com/episodes/88-dynamic-select-menus > > there is a revised version, but it's for subscriber only > > Ahmy Yulrizka > > On Mon, Jan 9, 2012 at 5:02 PM, venkata reddy > <[email protected]>wrote: > > > > > > > > > observe_field -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

