Verarbeitung von mehreren Ergebnistabellen

using System;
using System.Data;
using System.Data.SqlClient;
using System.Text;

namespace Chapter5 {

    public class MultipleResultsSample
    {
        static SqlConnection NewConnection()
        {
            return new SqlConnection(
                "data source=(local)\\SQLEXPRESS; initial catalog=NETBOOK; user id=sa; password=sa");
        }

        static IDbCommand NewSelectCmd()
        {
            SqlCommand cmd = new SqlCommand();
            cmd.Connection = NewConnection();
            cmd.CommandText = "SELECT * FROM Person; SELECT * FROM Contact";
            return cmd;
        }

        static void ExecuteCmd()
        {
            IDbCommand cmd = NewSelectCmd();
            int i = 0;
            cmd.Connection.Open();
            IDataReader r = cmd.ExecuteReader();
            do
            {
                Console.WriteLine(" ---- Table " + i + "----------------");
                while (r.Read())
                {
                    object[] vals = new object[r.FieldCount];
                    r.GetValues(vals);
                    foreach (object v in vals)
                    {
                        Console.Write(v.ToString() + " - ");
                    }
                    Console.WriteLine();
                }
                i++;
            } while (r.NextResult());

            r.Close(); // schliesst den DataReader und die Verbindung
            cmd.Connection.Close();
        }


        public static void Main()
        {
            try
            {
                ExecuteCmd();
            }
            catch (Exception e)
            {
                Console.WriteLine(e.StackTrace);
            }
        }
    }
}