/// <summary>
 /// 到期:状态置为 “已结束”
 /// </summary>
 /// <param name="id"></param>
 private async void TimeExpire(int id)
 {
     await Task.Run(() => {
         #region 结束 事务:将未支付成功的砍价全部置为“砍价失败”,原“活动已结束,砍价失败”
         BargainBLL.ChangeBargainStatus(id, (int)Bargain_Status.End);
         #endregion
     });
 }
 /// <summary>
 /// 砍价活动到期:状态置为 “已结束”
 /// </summary>
 /// <param name="id"></param>
 private async void BargainTimeExpire()
 {
     //异步 改变“砍价活动状态”
     await Task.Run(() => {
         #region 结束 事务:将未支付成功的砍价全部置为“砍价失败”,原“活动已结束,砍价失败”
         List <BargainInfo> dataList = BargainBLL.SearchBargainList(new BargainSearch());
         foreach (var item in dataList)
         {
             //到期,将状态置为“已结束”
             if (DateTime.Now > item.EndDate && item.Status != (int)Bargain_Status.End)
             {
                 BargainBLL.ChangeBargainStatus(item.Id, (int)Bargain_Status.End);
             }
         }
         #endregion
     });
 }
        /// <summary>
        /// 关闭
        /// </summary>
        private void ShutDown()
        {
            int id = RequestHelper.GetQueryString <int>("ID");

            if (id > 0)
            {
                var bargain = BargainBLL.ReadBargain(id);
                if (bargain.Id > 0 && bargain.Status != 0)
                {
                    #region 关闭 事务:将未支付成功的砍价全部置为“砍价失败”,原“活动已取消,砍价失败”
                    BargainBLL.ChangeBargainStatus(id, (int)Bargain_Status.ShutDown);
                    #endregion
                    //Dictionary<string, object> dict = new Dictionary<string, object>();
                    //dict.Add("[Status]", 0);
                    //BargainBLL.UpdatePart("[Bargain]", dict, id);
                }
                else
                {
                    ScriptHelper.Alert("操作不合法");
                }
            }
        }
 /// <summary>
 /// 关闭“砍价活动”
 /// </summary>
 /// <param name="id"></param>
 private async void ShutDownBargain(int id)
 {
     await Task.Run(() => {
         BargainBLL.ChangeBargainStatus(id, (int)Bargain_Status.ShutDown);
     });
 }