private void GetID()
{
//Call the getBookingID method from the Bookings class and save the ID as the variable newBookingsID.
int newBookingID = Bookings.getBookingID();
//Convert the BookingID to a string and display the new ID in lblDisplayBookingID along with the letters "BKG" before it.
lblDisplayBookingID.Text = "BKG" + Convert.ToString(newBookingID);
}