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Accessing FirstName value in row 3 directly

using System; using System.Data; using System.Data.SqlClient;     class Program     {         static void Main(string[] args)         {             string sqlConnectString = "Data Source=(local);Integrated security=SSPI;Initial Catalog=AdventureWorks;";             string sqlSelect = "SELECT ContactID, FirstName, LastName FROM Person.Contact";             SqlDataAdapter da = new SqlDataAdapter(sqlSelect, sqlConnectString);             DataTable dt = new DataTable( );             da.Fill(dt);             Console.WriteLine("FirstName = {0}", dt.Rows[2][1]);             Console.WriteLine("FirstName = {0}", dt.Rows[2]["FirstName"]);             Console.WriteLine("FirstName = {0}",dt.Rows[2]["FirstName", DataRowVersion.Default]);             Console.WriteLine("FirstName = {0}", dt.Rows[2][dt.Columns[1]]);             Console.WriteLine("FirstName = {0}",dt.Rows[2][dt.Columns["FirstName"]]);             Console.WriteLine("FirstName = {0}",dt.Rows[2].Field<string>(1));             Console.WriteLine("FirstName = {0}",dt.Rows[2].Field<string>("FirstName"));             Console.WriteLine("FirstName = {0}",dt.Rows[2].Field<string>("FirstName", DataRowVersion.Default));             Console.WriteLine("FirstName = {0}",dt.Rows[2].Field<string>(dt.Columns[1]));             Console.WriteLine("FirstName = {0}",dt.Rows[2].Field<string>(dt.Columns["FirstName"]));         }     }