# File app/controllers/attendance_adm_controller.rb, line 77
  def att_by_tslot
    begin
      @tslot = Timeslot.find_by_id(params[:timeslot_id])
      raise ActiveRecord::RecordInvalid unless 
        @conference.timeslots.include? @tslot
    rescue
      flash[:error] << _('Invalid timeslot requested')
      redirect_to :action => 'list', :conference_id => @conference
      return false
    end

    @attendances = @tslot.attendances.sort_by {|a| a.created_at}
  end