private void InferAdditionalRentalDetails()
{
DateTime?start = dtpDateStart.SelectedDate;
DateTime?end = dtpDateEnd.SelectedDate;
if (start == null || end == null)
{
lblOverbooking.Content = "";
lblNumberOfOvernightStays.Content = "";
lblTotalToPay.Content = "";
lblToBePaid.Content = "";
return;
}
Rental rental = new Rental
{
DateStart = start.Value,
DateEnd = end.Value,
HolidayResidence = residence
};
if (rentals.IsOverbooking(rental, Rental))
{
lblOverbooking.Content = "OVERBOEKING!";
ShowError(lblOverbooking);
}
lblNumberOfOvernightStays.Content = rental.CalculateNumberOfNights();
decimal totalPrice = rental.CalculateTotalPrice();
lblTotalToPay.Content = totalPrice.ToString("0.00");
try
{
decimal paid = ParsePaid(totalPrice);
decimal toPay = totalPrice - paid;
lblToBePaid.Content = toPay.ToString("0.00");
ShowOk(lblToBePaid);
ShowOk(txtPaid);
}
catch
{
lblToBePaid.Content = "???";
ShowError(lblToBePaid);
ShowError(txtPaid);
}
}