public static void SendEmailOrderHandler(ShowObject sender, EventArgs e) { Order order = null; int number = Convert.ToInt32(sender.objectBox.SelectedItem.ToString().Split('.').First()); order = DatabaseMethods.SelectOrderFromQuery("SELECT * FROM Orders WHERE OrderNumber = '" + number.ToString() + "'"); string email = DatabaseMethods.SelectClients().Where(x => x.ClientNumber == order.OrderClientNumber).First().Email; Task.Run(() => EmailSender.SendIt(order, email, order.OrderRegisterDate, "Order information")); MessageBox.Show("E-mail sent to " + email, "E-mail sent", MessageBoxButtons.OK, MessageBoxIcon.Information); sender.Dispose(); }