BlottoBeats.Server.Database.updateScore C# (CSharp) Method

        private void updateScore(int id, int voteAmount)
        {
            MySqlConnection conn = new MySqlConnection(connString);
            MySqlCommand command = conn.CreateCommand();
            int scoreUpdate = (int)(returnItem(id, "voteScore", "uploadedsongs"));

            scoreUpdate += voteAmount;

            SQLNonQuery(conn, "Update uploadedsongs SET voteScore='" + scoreUpdate + "' WHERE iduploadedsongs='" + id + "'");
        }