Serialization DataContractSerializer (C#)

using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            while (true)
            {
                Console.WriteLine("s=serialize, r=read:");
                switch (Console.ReadLine())
                {
                    case "s": // save the collection of objects

                        var EmployeeList1 = new List<Employee>();

                        // create some objects adding them to a List
                        EmployeeList1.Add(new Employee(1, "Elenor", "Scheller"));
                        EmployeeList1.Add(new Employee(2, "Kaila", "Wilburn"));
                        EmployeeList1.Add(new Employee(3, "Shea", "Wallen"));
                        EmployeeList1.Add(new Employee(4, "Elliot", "Shaffer"));
                        EmployeeList1.Add(new Employee(5, "Dominica", "Charney"));

                        try // try to serialize the collection to a file
                        {
                            using (Stream  stream = File.Open("data.xml", FileMode.Create))
                            {
                                // create DataContractSerializer
                                DataContractSerializer serializer = new DataContractSerializer(EmployeeList1.GetType());
                                // serialize the collection (EmployeeList1) to file (stream)
                                serializer.WriteObject(stream, EmployeeList1);
                            }
                        }
                        catch (IOException)
                        {
                        }
                        break;

                    case "r": // read the collection of object
                        try
                        {
                            using (Stream stream = File.Open("data.xml", FileMode.Open))
                            {
                                // create DataContractSerializer
                                DataContractSerializer serializer = new DataContractSerializer(new List<Employee>().GetType());
                                // deserialize the collection (Employee) from file (stream)
                                var EmployeeList2 = (List<Employee>)serializer.ReadObject(stream);

                                // display the results
                                foreach (Employee Employee in EmployeeList2)
                                {
                                    Console.WriteLine("{0}, {1}, {2}",
                                        Employee.id,
                                        Employee.fName,
                                        Employee.sName);
                                }
                            }
                        }
                        catch (IOException)
                        {
                        }
                        break;
                }
            }
        }
    }

    // The object we are going to Serializing/De-serializing
    [DataContract]
    class Employee
    {
        [DataMember]
        public int id { get; set; }
        [DataMember]
        public string fName { get; set; }
        [DataMember]
        public string sName { get; set; }

        public Employee(int i, string f, string s)
        {
            id = i;
            fName = f;
            sName = s;
        }
    }
}