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Accessing Data Values in a DataRow Array in a generic way by name

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);             DataRow[] dra = new DataRow[dt.Rows.Count];             dt.Rows.CopyTo(dra, 0);             Console.WriteLine("FirstName = {0}",dra[2].Field<string>("FirstName"));             Console.WriteLine("FirstName = {0}",dra[2].Field<string>("FirstName", DataRowVersion.Default));         }     }