private void button2_Click(object sender, EventArgs e)
    {
        TotalRecall xx = new TotalRecall();
        FileStream  fs = File.OpenRead("sss.xml");
        Employee    ee = (Employee)xx.Deserialize(fs, typeof(Employee));

        fs.Close();
        fs.Dispose();
    }
    private void button1_Click(object sender, EventArgs e)
    {
        TotalRecall xx = new TotalRecall();
        Employee    ee = new Employee();
        FileStream  fs = File.Create("sss.xml");

        xx.Serialize(fs, ee, typeof(Employee));
        fs.Close();
        fs.Dispose();
    }