using System;

using System.Collections.Generic;

using System.Linq;

public class Employee

    {

        public int ID {get; set;}

        public string Name { get; set;}

    }   

​

public class Program

{

    public static void Main()

    {

        List<Employee> listEmployees = new List<Employee>()

        {

            new Employee{ ID = 101, Name = "Mary"},

            new Employee{ ID = 102, Name = "John"},

            new Employee{ ID = 103, Name = "Amy"},

        };

        Func<Employee, string> selector = employee =>"Name =" + employee.Name;

        IEnumerable<string> names = listEmployees.Select(selector);

        foreach(string name in names)

        {

            Console.WriteLine(name);

        }   

    }

}