Ruby on Rails

bingo bob wrote:

I'd like to display a banner on every page. Ultimately I'll be tweaking which banner is displayed via different controllers but initially I'd just like to set a single banner application wide and display it in my "_header", a partial I include in all layouts.  I've got a BannerAdvert model, simple. If I'm in my welcome controller index action I can simply do,  @banner_url = BannerAdvert.first.url  in my _header partial (view) I display the url, works fine.  -----  BUT - my header is called from other controllers, I don't want to be non-dry and repeat @banner_url = BannerAdvert.first.url all over the place.  I'd like to set @banner_url = BannerAdvert.first.url application wide for now - how do I do this, should be easy but I'm having a Friday afternoon mental block! I thought application_controller and application_helper, but putting the code in either of those two didn't work.  Please help cure my insanity, any inspiration really appreciated.