[Rails] ActiveRecord relation validation in Rails 3.1

Hi All, I am facing sort of problem while validating . Two models User Product. class User ActiveRecord::Base has_many :products, :dependent = :destroy end class Product ActiveRecord::Base belongs_to :user validates :itemcode, :uniqueness = true end Now case, System has number

Re: [Rails] ActiveRecord relation validation in Rails 3.1

try :scope option in your statement eg: validates :itemcode, :uniqueness = true, :scope = :user_id read the documentation here http://api.rubyonrails.org/classes/ActiveRecord/Validations/ClassMethods.html#method-i-validates_uniqueness_of and section 3.10 uniqueness in