C#시리얼화반시리얼화

  public class People
    {
        [XmlAttribute("NAME")]
        public string Name
        { set; get; }
        [XmlAttribute("AGE")]
        public int Age
        { set; get; }
    }
    [XmlRoot("Root")]
    public class Student : People
    {
        [XmlElement("CLASS")]
        public string Class
        { set; get; }
        [XmlElement("NUMBER")]
        public int Number
        { set; get; }
    }

    public class People1
    {
        [XmlAttribute("Type")]
        public string type
        { set; get; }
        [XmlAttribute("ISBN")]
        public string isbn
        { set; get; }
    }
    [XmlRoot("Root")]
    public class Student2 : People1
    {
        [XmlElement("title")]
        public string title
        { set; get; }
        [XmlElement("author")]
        public string author
        { set; get; }
        [XmlElement("price")]
        public float price
        { set; get; }
    }
    //----------------------------------------------//
    // 
    //1、 xml    Student2  xml  ArrayOfStudent2  root Student2
    //2、  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    //---------------------------------------------//
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

            XmlDeSerializerFun2();
        }

        private void XmlSerializerFun()
        {
            List<Student> stuList = new List<Student>();
            stuList.Add(new Student() { Age = 10, Number = 1, Name = "Tom", Class = "Class One" });
            stuList.Add(new Student() { Age = 11, Number = 2, Name = "Jay", Class = "Class Two" });
            stuList.Add(new Student() { Age = 12, Number = 3, Name = "Pet", Class = "Class One" });
            stuList.Add(new Student() { Age = 13, Number = 4, Name = "May", Class = "Class Three" });
            stuList.Add(new Student() { Age = 14, Number = 5, Name = "Soy", Class = "Class Two" });
            XmlSerializer ser = new XmlSerializer(typeof(List<Student>));
            ser.Serialize(File.Create("C:\\x.xml"), stuList);
        }
        private void XmlDeSerializerFun()
        {
            XmlSerializer ser = new XmlSerializer(typeof(List<Student>));
            List<Student> stuList = ser.Deserialize(File.OpenRead("C:\\x.xml")) as List<Student>;
            foreach (Student s in stuList)
            {
                MessageBox.Show(string.Format("{0} : {1} : {2} : {3}",
                    s.Name, s.Age, s.Class, s.Number));
            }
        }
        
        private void XmlDeSerializerFun2()
        {
            XmlSerializer ser = new XmlSerializer(typeof(List<Student2>));
            List<Student2> stuList = ser.Deserialize(File.OpenRead("C:\\XMLtest.xml")) as List<Student2>;
            foreach (Student2 s in stuList)
            {
                MessageBox.Show(string.Format("{0} : {1} : {2} : {3}",
                    s.type,s.isbn,s.title,s.author,s.price));
            }
        }
    }