public static int GetAreaCarNumWhenTimeseriesUnExit(string areaID, out string ErrorMessage)
{
if (areaID.IsEmpty())
{
throw new ArgumentNullException("areaID");
}
IParkIORecord factory = ParkIORecordFactory.GetFactory();
return(factory.GetAreaCarNumWhenTimeseriesUnExit(areaID, out ErrorMessage));
}