Oracle connection string for C#

using System;using System.Data;
using System.Data.OleDb;

class OleDbConnectionOracle
{
  public static void Main()
  {
   string connectionString = "provider=MSDAORA;data source=ORCL;user id=SCOTT;password=TIGER";

    OleDbConnection myOleDbConnection = new OleDbConnection(connectionString);
    OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand();
    myOleDbCommand.CommandText = "SELECT empno, ename, sal FROM emp WHERE empno = 7369";

    myOleDbConnection.Open();
    OleDbDataReader myOleDbDataReader = myOleDbCommand.ExecuteReader();
    myOleDbDataReader.Read();
    Console.WriteLine("myOleDbDataReader[\" empno\"] = " + myOleDbDataReader["empno"]);  
    Console.WriteLine("myOleDbDataReader[\" ename\"] = " + myOleDbDataReader["ename"]);   
     Console.WriteLine("myOleDbDataReader[\" sal\"] = " + myOleDbDataReader["sal"]);   
     myOleDbDataReader.Close();   
     myOleDbConnection.Close();
 }
}