# File lib/Borges/Report/TableReport.rb, line 69
  def render_row_number_item_on(index, row, r)
    r.attributeAt_put('bgcolor', self.colorForRowNumber(index))
    r.tableRow do
      @columns.each do |ea|
        self.renderColumn_row_on(ea, row, r)
      end
    end
  end