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);
}