List to XML in C#

public void ConvertToXML (List<Order> orders)
{
XDocument OrderDetails = new XDocument(new XDeclaration("1.0", "UTF - 8", "yes"),
new XElement("Order",
from Od in Order.OrderDetails
select new XElement("OrderDetails",
new XElement("ItemCode", Od.ItemCode),
new XElement("ProductName", Od.ProductName),
new XElement("Qty", Od.Qty),
new XElement("Price", Od.Price),
new XElement("TotalAmount", Od.TotalAmount))))
// save it
}