protected void Page_Load(object sender, EventArgs e)
        {
            Goods goodsObj = new Goods();

            goodsObj.GoodsId   = Int32.Parse(Request.Form["formGooodsId"]);
            goodsObj.GoodsName = Request.Form["formGoodsName"];
            goodsObj.SortId    = Int32.Parse(Request.Form["formSortId"]);
            goodsObj.Price     = Double.Parse(Request.Form["formGoodsPrice"]);
            goodsObj.Cost      = Double.Parse(Request.Form["formGoodsCost"]);
            goodsObj.Onsale    = Int32.Parse(Request.Form["formGoodsOnsale"]) == 1 ? true : false;

            GoodsBll gb      = new GoodsBll();
            bool     success = false;

            if (goodsObj.GoodsId == 0)
            {
                success = gb.InsertGoods(goodsObj);
                if (success)
                {
                    Msg.Text = "添加成功!";
                }
                else
                {
                    Msg.Text = "添加失败!该商品已存在。";
                }
            }
            else
            {
                success = gb.UpdateGoods(goodsObj);
                if (success)
                {
                    Msg.Text = "修改成功!";
                }
                else
                {
                    Msg.Text = "修改失败!";
                }
            }
        }