using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

public  class MyClass

        {

            public int Id { get; set; }

            public string Name { get; set; }

        }

    public static void Main()

    {

        var myList = new List<MyClass>

            {

                new MyClass { Id = 1, Name = "Ömer" },

                new MyClass { Id = 2, Name = "Ömer" },

                new MyClass { Id=  3, Name = "Test" }

            };

        var twoList = myList.GroupBy(x=> new { x.Id ,x.Name})

            .Select(x=> new {

id= x.Key.Id,

                name = x.Key.Name

}).ToList();

        foreach(var item in twoList){

        Console.WriteLine("id: "+ item.id + " Name:" + item.name);

        }

        // istenen, (1,Ömer ; 3,Test)

    }

}