On May 8, 8:21 pm, Padmoja Roy <[email protected]> wrote: > I was trying to make one to many relationships - between professors > controller to rate_professors controller and used scaffold. it's > giving me this error- > > NoMethodError in RateProfessorsController#index > undefined method `rate_professors' for nil:NilClass > app/controllers/rate_professors_controller.rb:7:in `index' > Request > > Parameters: > {"professor_id"=>"1"} > > here are the codes for two controllers and index page-- > > def index > @rate_professors = RateProfessor.all > professor = Professor.find(params[:professor_id]) > @rate_professor = > @Professor.rate_professors.build([professor:professor])
Ruby is telling you're calling the rate_professors method on nil on this line, so your first step should be to have a look at this like. You're calling it on @Professor which isn't initialized, therefore it's nil. You've got the exact same mistake in a different action too. Fred -- 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.
