NoMethodError when trying to invoke helper method from Rails controller

Question

I\'m getting a NoMethodError when trying to access a method defined in one of my helper modules from one of my controller classes. My Rails application uses the

Answer 1

Helpers are to be used with templates, ie. views, not in controllers. That's why you can't access the method. If you'd like to share a method between two controllers, you'd have to define it in ApplicationController, for instance. helper :all says that any method you define in any helper file in app/helpers directory will be available to any template.