how to use <%= link_to%> passing id of asociated object : I want to go to show.html.erb which is aview file just to show the specific comment. and comment is associated under article. how to use <%= link_to 'Show Comment ? %>

# this is show action in comments controller which may have route like /articles/3/comments/2 2and 3 as id


# commentcontroller
def show
	 @article =Article.find(params[:id])
	end