how to show validation error msg of model in html area

rubyonrails-talk
1

Hi I m new to ROR

I have some validation that I'm doing in a model. for example ----> class Book < ActiveRecord::Base   belongs_to :subject   validates_presence_of :title, :message=>"Error Message"   validates_numericality_of :price, :message=>"Error Message" end

Now i want to show this error message in html area when title is empty or when user puts price not a numeric???

Help meeee....................