string  server = "abc.com";
        string   database = "abc";
        string user = "abc";
        string  password = "abc";
        string port = "3306";
        string sslM = "none";


 string connectionString = String.Format("server={0};port={1};user id={2}; password={3}; database={4}; SslMode={5}", server, port, user, password, database, sslM);

            MySqlConnection connection = new MySqlConnection(connectionString);