Thanks for you replying Colin: Look, this's my message of error:
NoMethodError in MallacurricularesController#create undefined method `save' for []:ActiveRecord::Relation Parameters: {"utf8"=>"✓", "authenticity_token"=>"CEX4yZeFmrSOspseMm2/d8rzPzu/3FYI2w8d7XZ1Ji0=", "malla"=>{"clase_id"=>"1", "subjects_ids"=>["3", "4", "5"]}, "level"=>"3", "commit"=>"GUARDAR"} The parameters looks good, and my controller is: def new @asignatura = Asignatura.find(:all) @clase = Clase.find(:all) @nivel = Nivel.find(:all) @malla = Malla.new end def create @malla = Malla.new(params[:malla]) @subject = @malla.subjects(params[:subject_ids]) @level = @malla.levels(params[:level]) if @malla.save and @subject.save and @level.save redirect_to mallacurriculares_menu_principal_admin_path, :notice => 'MALLA created' end end In my controller i want to save the "ids" that i chose in the view form to my model: subject_malla_level. And i dont know how to do it, please help men :( -- 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 rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.