Conditionally setting CSS style from ruby controller

Question

I\'m trying to dynamically change (if it got clicked) a normal table header (which is a link) to another defined CSS class \'th.hilite\'. This link simply sorts this column and

Answer 1

BTW as long as values of your param match column name - no need to code each one

def index
    @by=params[:by]
    @movies = Movie.order(params[:by]).all
  end