public PriceSeats GetPriceSeatByPrice_Id(int price_id)
        {
            if (price_id == 0)
            {
                return(null);
            }
            if (connection.State == System.Data.ConnectionState.Closed)
            {
                connection.Open();
            }
            query = $"Select * from PriceSeat where price_id = '{price_id}';";
            PriceSeats pri = null;
            // using (connection = DBHelper.OpenConnection ()) {
            MySqlCommand cmd = new MySqlCommand(query, connection);

            using (reader = cmd.ExecuteReader()) {
                if (reader.Read())
                {
                    // pri = new PriceSeats ();
                    pri = GetPriceSeat(reader);
                }
            }
            // }
            connection.Close();
            return(pri);
        }
        public static PriceSeats GetPriceSeat(MySqlDataReader reader)
        {
            PriceSeats pri = new PriceSeats();

            pri.Price_Id   = reader.GetInt32("price_id");
            pri.TicketType = reader.GetString("ticketType");
            pri.Price      = reader.GetDouble("price");
            return(pri);
        }