On 16 October 2012 12:49, ruby rails <li...@ruby-forum.com> wrote: > Colin Law wrote in post #1079996: > On 16 October 2012 11:23, ruby rails <li...@ruby-forum.com> wrote: > I have a form with only one field called secretcode to submit. But when > I submit it, the data is saved. But I need to do form validation for > this field. I have given validates_presence_of :secret in the > Secretcode > Model. when I submit it without entering anything in secret code field, > then it is showing as "undefined method `model_name' for > NilClass:Class".. Please help. I am learning rails by doing.. > > You say that if the field is empty you get the error. Do you get the > error if there is something in the field? > > If you look at the error message and stack trace it may tell you where > in your code it is failing. Proibably something that you have setup > is nil. If you still can't see the problem then post the full error > message and stack trace and tell us which line of your code it is > referencing (if any). > > class Secretcode < ActiveRecord::Base belongs_to :user > attr_accessible :secret validates(:secret, :presence=> true) end > > I hope there are some newines in the above > > else > render 'new' > end > > Can you show us the code for the new action in the controller also > please? > > Colin > >>def new >> @secretcode=Secretcode.new >> end
And the other questions I asked? Colin -- 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 rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.