Just wondering why you don't validate the presence/absence of gender_name on creation of a new record...
On Sunday, June 14, 2015 at 3:27:56 AM UTC-4, Ruby-Forum.com User wrote: > > please help solve the problem. > > There is a table users: > id :integer, autoincrement > name :string > gender_id :integer > > There is a table genders: > id :integer, autoincrement > gender_name :string > > model User: > class User < ActiveRecord::Base > belongs_to :gender > end > > model Gender: > class Gender < ActiveRecord::Base > has_many :users > end > > I need the gendername. I try to do so: > <% @users.each do |user| %> > <div class="col-xs-6"><%= user.name %></div> > <div class="col-xs-2"><%= user.gender_id %></div> > <% end %> > > the result is output number, but I need to gendername > > > > > p.s. > so I tried: > <div class="col-xs-2"><%= user.gender.gender_name %></div> > > in this case receives the following error message: > undefined method `gender_name' for nil:NilClass > > -- > 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 unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/63e2564a-c5a0-4043-94da-3b110971fb8e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

