private async void Submit(object sender, System.EventArgs e) { Payments payments; FlightBooking flightBooking; CreditCard creditCard; List <Cart> carts = await cartService.GetCart(); List <Customer> customers = await userService.GetCustomers(); for (int x = 0; x < customers.Count; x++) { if (customers[x].CustomerID == Convert.ToInt32(Helpers.Settings.CustomerID)) { emails = customers[x].Email; name = customers[x].Firstname; } } creditCard = new CreditCard { CreditID = 0, PaymentID = null, CardNumber = CardNumber.Text, Cardname = Cardname.Text, ExpirationDate = Helpers.Settings.Date, Cvv = Cvv.Text, Address = Address.Text, Country = Country.Text, City = City.Text, PostalCode = PostalCode.Text }; await cardService.AddCreditCards(creditCard); flightBooking = new FlightBooking { FlightID = 0, CustomerID = Convert.ToInt32(Helpers.Settings.CustomerID), AirportID = Convert.ToInt32(Helpers.Settings.AirportID), ExtraID = Convert.ToInt32(carts[0].ExtraID), SeatNumber = carts[0].SeatNumber, ReturningDate = " ", NumberOfTravellers = Convert.ToInt32(Helpers.Settings.NumberOfTravellers), TotalFare = carts[0].Totalprice }; await bookingService.addflightBooking(flightBooking); payments = new Payments { PaymentID = 0, CustomerID = Convert.ToInt32(Helpers.Settings.CustomerID), PaymentType = "Credit Card", TotalAmount = carts[0].Totalprice }; await paymentService.AddPayment(payments); await App.Current.MainPage.DisplayAlert("Successfully paid", "", "Ok"); Application.Current.MainPage = new ConfirmationPage(); string subject = "Booking"; string body = "Good day " + name + "," + " " + "" + " thanks you for choosing to fly with us, would like to let you knw that your flight to " + Helpers.Settings.Arrivalairport + " was booked on this day " + Helpers.Settings.FlightDate + "" + "" + " Kind Regards " + "" + " Kulula Team"; var mail = new MailMessage(); var smtpServer = new SmtpClient("smtp.gmail.com", 587); mail.From = new MailAddress("*****@*****.**"); mail.To.Add(emails); mail.Subject = subject; mail.Body = body; smtpServer.Credentials = new NetworkCredential("Username", "password"); smtpServer.UseDefaultCredentials = false; smtpServer.EnableSsl = true; smtpServer.Send(mail); /* MFMailComposeViewController mailController; * * if (MFMailComposeViewController.CanSendMail) * { * mailController = new MFMailComposeViewController(); * mailController.SetToRecipients(new string[] { "*****@*****.**" }); * mailController.SetSubject("mail test"); * mailController.SetMessageBody("this is a test", false); * mailController.PresentViewController(mailController, true, null); * mailController.Finished += (object s, MFComposeResultEventArgs args) => * { * Console.WriteLine(args.Result.ToString()); * args.Controller.DismissViewController(true, null); * * }; * * * }*/ }