private void Nights_TextChanged(object sender, TextChangedEventArgs e)
{
if (Nights.Validate())
{
EndDate.SelectedDate = StartDate.SelectedDate?.AddDays(Nights.IntValue);
}
Save.IsEnabled = IsSaveEnabled();
}
public bool IsSaveEnabled()
{
bool validRoom = Room.SelectedIndex > 0;
bool validGuest = GuestName.Validate();
bool validGuests = GuestsInRoom.Validate();
bool validNights = Nights.Validate();
bool validTotal = TotalPrice.Validate();
bool validPaid = PaidSum.Validate();
bool validRemaining = RemainingSum.Validate();
return(validRoom && validGuest && validGuests && validNights && validTotal && validPaid && validRemaining);
}
