using System;
using System.Dynamic;
using System.Linq;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");

            var data = new DataClass
            {
                Date = DateTime.Now,
                Title = "Some tile",
                Lolks = 3
            };
            dynamic cover = new Cover(data);
            Console.WriteLine(cover.Get5OldestPersonsInMoscow());
            Console.ReadLine();
        }
    }


    class Cover : DynamicObject
    {
        private readonly object inner;
        private readonly Type innerType;

        public Cover(object inner)
        {
            this.inner = inner;
            this.innerType = inner.GetType();
        }

        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
            result = default;
            var methodInfo = innerType.GetProperty(binder.Name);
            if (methodInfo == null) return false;
            result = methodInfo.GetValue(inner) ?? "No Data";
            return true;
        }
    }

    class DataClass
    {
        public string Title { get; set; }
        public int Lolks { get; set; }
        public string Description { get; set; }
        public DateTime Date { get; set; }
    }

}