using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public class Test

    {

        public string Name {get; set;}

        public int Age {get; set;}

    }

    public static void Main()

    {

        var lst = new List<Test>

        {

            new Test

            {

                Name = "Gorge",

                Age = 20

            },

            new Test

            {

                Name = "Ivan",

                Age = 5

            },

            new Test

            {

                Name = "Steve",

                Age = 5

            },

            new Test

            {

                Name = "Mat",

                Age = 5

            },

            new Test

            {

                Name = "Gorge",

                Age = 10

            }

        };

​

        var tmp = lst.OrderBy(x=> x.Name).ToList();

        var tmp2 = tmp.OrderByDescending(x=> x.Name).ToList();

        tmp.ForEach(x=> Console.WriteLine("tmp " + x.Age));

        tmp2.ForEach(x=> Console.WriteLine("tmp2 " + x.Age));

    }

}