Reference data in SqlDataReader by column name

   


    using System;
    using System.Data.SqlClient;

  class pubsdemo
  {
    static void Main(string[] args)
    {
      String sConn = "server=(local)SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";

        String sSQL = "select id, firstname, lastname from Employee";

      SqlConnection oConn = new SqlConnection(sConn);
      oConn.Open();

      SqlCommand oCmd = new SqlCommand(sSQL, oConn);
      SqlDataReader oReader = oCmd.ExecuteReader();

      while(oReader.Read()) {
        Console.WriteLine("{0} {1} {2}",
          oReader["id"],
          oReader["firstname"],
          oReader["lastname"]);
      }
    }
  }