C# TransactionScope 分布式事物使用实例

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protected void btnSave_Click(object sender, EventArgs e)    {        var order = new BLL.A_OrderInfo().GetModel(this.OrderId);//订单        if (order != null && IsUpOrder(order.OrderState, order.PayWay, order.PayState))        {            var itemIds = Request.Form.GetValues("hdId");            var proIdList = Request.Form.GetValues("hdProId");//新商品ID            var proPriceList = Request.Form.GetValues("txtPreProPrice");//优惠价格            var proNumList = Request.Form.GetValues("txtProNum");//商品数量            using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.ReadCommitted }))            {                try                {                    //订单原来商品                    var oldOrderPro = new BLL.A_OrderPro().GetList(null, "OrderId=" + order.OrderId, null);                    //备份原来订单商品                    new BLL.A_OrderProBak().Add(oldOrderPro);                    //还原订单原来商品库存                    Common.OperGoodsStockAndInsert(order.OrderId, order.OrderCode, 0, (int)Enums.StockRemarkType.修改订单商品增加库存, (int)Enums.StockType.虚拟库存, "虚拟库存-修改订单商品增加库存-正品-入库");                    var newOrderPro = this.AddNewOrderPro(order.OrderId, order.OrderCode, itemIds, proIdList, proPriceList, proNumList);                    if (newOrderPro != null)                    {                        //删除订单原来商品                        new BLL.A_OrderPro().DeleteByOrderId(order.OrderId);                        //修改订单金额                        int oldStatus = order.OrderState;//保存原始订单状态                        order.GoodsAmount = Util.GetDecimal(txtGoodsAmount.Text);//商品金额                        order.IntegralMoney = Util.GetDecimal(txtIntegralMoney.Text);//积分抵扣金额                        order.CouponAmount = Util.GetInt(txtCouponAmount.Text);//优惠卷抵扣金额                        order.OrderFreight = Util.GetDecimal(txtOrderFreight.Text);//运费金额                        order.OrderAmount = Util.GetDecimal(txtOrderAmount.Text);//订单金额                        order.PayAmount = Util.GetDecimal(txtPayAmount.Text);//已支付金额                        order.NeedPayAmount = Util.GetDecimal(txtNeedPayAmount.Text);//应支付金额                        if (order.NeedPayAmount == 0 && order.PayWay != (int)Enums.OrderPayWay.NotPay && order.PayState == (int)Enums.PayState.未支付)                        {                            order.PayWay = (int)Enums.OrderPayWay.NotPay;                            order.PayState = (int)Enums.PayState.已支付;                            order.OrderState = (int)Enums.OrderState.等待处理中;                        }                        if (order.NeedPayAmount > 0 && order.PayWay == (int)Enums.OrderPayWay.NotPay)                        {                            order.PayWay = (int)Enums.OrderPayWay.Bill99;                            order.PayState = (int)Enums.PayState.未支付;                            order.OrderState = (int)Enums.OrderState.等待支付中;                        }                        new BLL.A_OrderInfo().Update(order);                        //写订单状态日志                        OperOrderLog(oldStatus, order);                        //添加订单新商品                        new BLL.A_OrderPro().Add(newOrderPro);                        //减少订单新商品库存                        Common.OperGoodsStockAndInsert(order.OrderId, order.OrderCode, 1, (int)Enums.StockRemarkType.修改订单商品减少库存, (int)Enums.StockType.虚拟库存, "虚拟库存-修改订单商品扣库存-正品-出库");                        scope.Complete();                        JScript.Alert("修改订单成功");                        JScript.Redirect("/SysManager/OrderManager/OrderEdit.aspx");                    }                }                catch (Exception ex)                {                    throw new Exception("发送信息异常,原因:" + ex.Message);                }                finally                {                    scope.Dispose();                }            }        }        else        {            JScript.Alert("此订单不能修改");            JScript.Redirect("/SysManager/OrderManager/OrderEdit.aspx");        }    }    //是否可以修改    private bool IsUpOrder(int orderState, int payWay, int payState)    {        if (orderState <= (int)Enums.OrderState.已发送到仓储)//&& (payWay == (int)Enums.OrderPayWay.NotPay || payState == (int)Enums.PayState.未支付)            return true;        else            return false;    }
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