public double MezzoInUscita(Veicolo v)
{
Parcheggia p = (_parcheggia.Find(x => x.DataUscita == null && x.Targa == v.Targa));
p.DataUscita = DateTime.Now;
return((p.DataUscita.Value - p.DataIngresso).Hours * GetPosto(p.IdPosto).TariffaOraria);
}
public override ValidationResult Validate(object value, System.Globalization.CultureInfo cultureInfo)
{
Parcheggia p = (value as BindingGroup).Items[0] as Parcheggia;
return(p.DataUscita <= p.DataIngresso ? new ValidationResult(false, "") : ValidationResult.ValidResult);
}