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Read result set containing all columns

using System; using System.Data; using System.Data.OleDb; public class ExtractInfo {      public static void Main () {     String connect = "Provider=Microsoft.JET.OLEDB.4.0;data source=.\\Employee.mdb";    OleDbConnection con = new OleDbConnection(connect);    con.Open();      Console.WriteLine("Made the connection to the Sales database");    OleDbCommand cmd = con.CreateCommand();        cmd.CommandText = "SELECT * FROM Employee";    OleDbDataReader reader = cmd.ExecuteReader();    Console.WriteLine();    Console.WriteLine("ID\tFirstName\tLastName\tSalary");      while (reader.Read())      Console.WriteLine("{0}\t\t{1}\t\t{2}\t{3}",reader.GetInt32(0),reader.GetString(1),reader.GetString(2), reader.GetDecimal(3));    reader.Close();    con.Close();  } }