public static DateTime?GetLastRecordExitDateByCarNo(string parkingID, string cardNo, out string ErrorMessage)
{
if (parkingID.IsEmpty())
{
throw new ArgumentNullException("parkingID");
}
if (cardNo.IsEmpty())
{
throw new ArgumentNullException("cardNo");
}
IParkIORecord factory = ParkIORecordFactory.GetFactory();
return(factory.GetLastRecordExitDateByCarNo(parkingID, cardNo, out ErrorMessage));
}