LobbyServer.LobbyClient.OnDisconnect C# (CSharp) Method

        public override void OnDisconnect()
        {
            Program.clients.Remove(this);
            this.Proof = null;
            this.Salt = null;
            this.Verifier = null;
            this.serverModulus = null;
            this.clientModulus = null;
            this.SessionId = null;
            /*MySqlCommand cmd = new MySqlCommand("UPDATE `accounts` SET `extrn_login` = 0 WHERE `email` = @email", Connection.Instance);
            try
            {
                cmd.Prepare();
                cmd.Parameters.AddWithValue("@email", this.Account.Email);
                cmd.ExecuteNonQuery();
            }
            catch (MySqlException ex) { Log.Error("OnDisconnect()", "MySQL failed! " + ex.ToString()); }*/
        }