disruptive tech wrote: > Hi > > I have another question for how best to do this. Now I have been > following the tutorial at: > http://www.tunaslut.com/learning-ruby-drop-down-lists-in-one-to-many-relationships, > however when I change the view over from > > <% @cities.each do |city| %> > <tr> > <td><%=h city.city_name %></td> > <td><%=h city.country_id %></td> > > to: > > <% @cities.each do |city| %> > <tr> > <td><%=h city.city_name %></td> > <td><%=h city.country.country_name %></td> > > The system breaks with the following error > > NoMethodError in Cities#index > > Showing app/views/cities/index.html.erb where line #12 raised: > > undefined method `country_name' for nil:NilClass
...which means that city.country is nil. You have to make it not be. > Extracted source (around line #12): > > when attempting to display data on cities > > My questions are: > > 1. Is there an easier way of doing drop down boxed populated from a > table? collection_select > 2. is this foreign key assignment working? > 3. is this a good way of doing FK asignments? is there a better way. I don't see any assignment in your code. > > > Please forgive me, I'm old school, more used to the SQL statements.... What's that got to do with anything? > > Thanks again. Best, -- Marnen Laibow-Koser http://www.marnen.org [email protected] -- Posted via http://www.ruby-forum.com/. -- 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.
