XmlSerializer

using System;//  jav  a  2 s . c  om
using System.IO;
using System.Text;
using System.Xml;
using System.Xml.Serialization;

class OrderedItem
{
   public string ItemName;
   public string Description;
   public decimal UnitPrice;
   public int Quantity;
   public decimal LineTotal;
   public void Calculate()
   {
      LineTotal = UnitPrice * Quantity;
   }
}

public class Test{
   public static void Main()
   {
      XmlSerializer serializer = new XmlSerializer(typeof(OrderedItem));
      OrderedItem i = new OrderedItem();
      i.ItemName = "A";
      i.Description = "test";
      i.Quantity = 10;
      i.UnitPrice = (decimal) 2.30;
      i.Calculate();
      Stream fs = new FileStream("c:\\a.xml", FileMode.Create);
      XmlWriter writer = new XmlTextWriter(fs, Encoding.Unicode);
      serializer.Serialize(writer, i);
      writer.Close();
   }
}