Reading XML File Using Linq

 
protected void Page_Load(object sender, EventArgs e)
 {
   GridView1.DataSource = ReadXML();
   GridView1.DataBind();
  }
public List ReadXML()
    {
        string fileName = Server.MapPath("XMLFile.xml");
        XDocument doc = XDocument.Load(fileName);

        var EpDetail = doc.Descendants("Employee").Select(a =>
            new Employee
            {
                Name = a.Element("Name").Value,
                Id = a.Element("id").Value,
                Age = a.Element("Age").Value,
                Salary = a.Element("Salary").Value,
                Address = a.Descendants("Address")
               .Select(b =>
                   new Address()
                   {
                       Country = b.Element("Country").Value,
                       State = b.Element("State").Value,

                   }).FirstOrDefault()
            }).ToList();
        return EpDetail;
    }

 public class Address
    {
        public string Country
        {
            set;
            get;
        }
        public string State
        {
            set;
            get;
        }
    }
    public class Employee
    {
        public string Name
        {
            set;
            get;
        }
        public string Id
        {
            set;
            get;
        }
        public string Age
        {
            set;
            get;
        }
        public string Salary
        {
            set;
            get;
        }
        public Address Address
        {
            set;
            get;
        }
    }