public ProductInfo GetProductInfoByPid(string pid)
 {
     try
     {
         Func <SqlConnection, ProductInfo> action = (connection) => DalProductVehicleInfo.GetProductInfoByPid(connection, pid);
         return(dbManagerReadOnly.Execute(action));
     }
     catch (Exception e)
     {
         Monitor.ExceptionMonitor.AddNewMonitor("根据PID检索产品信息异常", e, "检索异常", MonitorLevel.Critial, MonitorModule.Other);
         return(new ProductInfo());
     }
 }