Handle Multiple Results : SqlDataReader « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. SqlDataReader

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

    class MultipleResults
    {
        static void Main(string[] args)
        {
            string connString = @"server = .\sqlexpress;integrated security = true;database = northwind";
            string sql1 = @"select companyname,contactname from customers where companyname like 'A%'";
            string sql2 = @"select firstname,lastname from employees";
            string sql = sql1 + sql2;
            SqlConnection conn = new SqlConnection(connString);
            try
            {
                conn.Open();
                SqlCommand cmd = new SqlCommand(sql, conn);
                SqlDataReader rdr = cmd.ExecuteReader();
                do{
                    while (rdr.Read()){
                        Console.WriteLine("{0} : {1}", rdr[0], rdr[1]);
                    }
                    Console.WriteLine("".PadLeft(60, '='));
                }
                while (rdr.NextResult());
                rdr.Close();
            }
            catch (Exception e)
            {
                Console.WriteLine("Error Occurred: " + e);
            }
            finally
            {
                conn.Close();
            } 
        }
    }