private void AddTicketsButton_Click(object sender, EventArgs e) { String noTicketsStr = this.noOfTicketsTextBox.Text; int noTickets = int.Parse(noTicketsStr); String title = this.filmNameTextBox.Text; String rowStr = this.rowTextBox.Text; int row = int.Parse(rowStr); String seatStr = this.seatTextBox.Text; int seat = int.Parse(seatStr); String datePattern = "dd-MM-yy"; DateTime date; DateTime.TryParseExact(this.dateTextBox.Text, datePattern, null, DateTimeStyles.None, out date); TicketService ts = new TicketService(); ts.AddTicketBl(noTickets, title, row, seat, date); }