C# No.40: 1

        private void makeConnection()
        {
            Console.WriteLine("\nBegin connecting...");

            connString = @"Data Source=xe;User ID=system;Password=123456;Unicode=True";

            connection = new OracleConnection(connString);

            //kalo menggunakan using block,
            //maka koneksi akan otomatis closed pada akhir using block,

            try
            {

                connection.Open();

                Console.WriteLine("Connected..");
                Console.WriteLine("ServerVersion: {0}", connection.ServerVersion);
                Console.WriteLine("State: {0}", connection.State);
                Console.WriteLine("ConnectionString: {0}", connection.ConnectionString);

                is_connecting = true;

            }
            catch (Exception ex)
            {
                Console.WriteLine("Failed to Connect::" + ex.Message);

            }
        }