private async void ProcessTicket(int ParkId, int CarId)
{
ufunctions = new UserFunctions();
ParkTicket pt = new ParkTicket();
pt = await ufunctions.GetParkTicket(ParkId, CarId);
ticketid.Text = pt.TicketID.ToString();
ticketdate.Text = pt.Date.ToLongDateString();
ticketdriver.Text = pt.DriverName;
ticketlicense.Text = pt.License;
}