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