using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        dynamic ViewBag = new System.Dynamic.ExpandoObject();

        //Add a single string variable to ViewBag

        ViewBag.xxx = "Stackoverflow";

        Console.WriteLine(ViewBag.xxx);

        ViewBag.Items = new List<int>() {10,20,30};

        for(var i = 0; i < ViewBag.Items.Count; i++) {

           Console.WriteLine(ViewBag.Items[i]);

        }

    }

}