Order.transaction do
    @order.save!
    orderitems = params[:orderitem].reject {|item, qty| qty.nil? || qty.empty? || qty == 0 }
    orderitems.each do |item, qtyz|
      @orderitemnew = @order.orderitem.new(:item_id => item, :qty => qtyz)
      @orderitemnew.save!
    end
 end