using System;

public class Program

{

    public static void Main()

    {

            //https://briancaos.wordpress.com/2018/05/30/creating-dynamic-arrays-and-lists-using-dynamic-and-expandoobject-in-c/

​

            List<dynamic> dlist = new List<dynamic>();

​

            dynamic row1 = new ExpandoObject();

            row1.id = 1;

            row1.nm = "n1";

            dlist.Add(row1);

​

            dynamic row2 = new ExpandoObject();

            row2.id = 2;

            row2.nm = "n2";

            dlist.Add(row2);

​

            dynamic row3 = new ExpandoObject();

            row3.id = 3;

            row3.nm = "n3";

            dlist.Add(row3);

​

            var aa = dlist.Where(x => x.id > 1);

​

            string bb = JsonConvert.SerializeObject(aa);        

        Console.WriteLine("Hello World");

    }

}