display flash notice message in rails

flash_notice.rb

#Example action in the controller for flash notice
def create
    @subject = Subject.new(params[:subject])
    if @subject.save
      flash[:notice] = "Subject created" # set the flash notice here before redirecting
      redirect_to(:action => 'list') # Redirect the page to list view
      end
end
 
 
# place this code in the list view or layout of that view
<%if !flash[:notice].blank? %>
    <div class="notice">
	<%= flash[:notice]%>
    </div>
<% end %>