// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002748/dbcommand-executeexpandoobjects

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.Collections.Generic;

using System.Data.Common;

using System.Data.SqlClient;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string sql = "SELECT 1 AS IntColumn, 'FizzBuzz' AS StringColumn UNION SELECT 2, 'BuzzBuzz'";

​

        using (var conn = new SqlConnection(FiddleHelper.GetConnectionStringSqlServer()))

        {

            conn.Open();

            using (DbCommand command = conn.CreateCommand())

            {

                command.CommandText = sql;

                //C# Extension Method: DbCommand - ExecuteExpandoObjects

                List<dynamic> list = command.ExecuteExpandoObjects().ToList();

​

                Console.WriteLine(list[0].IntColumn);

                Console.WriteLine(list[0].StringColumn);

                Console.WriteLine(list[1].IntColumn);

                Console.WriteLine(list[1].StringColumn);

            }

        }

    }

}