private void DoBatchDelete() { IList <object> idList = RequestData.GetList <object>("IdList"); if (idList != null && idList.Count > 0) { SaleOrder.DoBatchDelete(idList.ToArray()); //删除对应的商品信息防止产生垃圾数据 foreach (string oid in idList) { OrdersPart.DeleteAll("OId='" + oid + "'"); } } }