using System; using System.Data; using System.Data.OracleClient; class Class1{ static void Main(string[] args) { string connstr = "User Id=scott; Password=tiger; Data Source=oranet"; OracleConnection con = new OracleConnection(); con.ConnectionString = connstr; Console.WriteLine("Connection String 1: {0}", con.ConnectionString); con.Open(); Console.WriteLine("Connection String 2: {0}", con.ConnectionString); con.Close(); Console.WriteLine("Connection String 3: {0}", con.ConnectionString); con.Dispose(); } }