Linq读取XML

  var customerList = (
                from e in XDocument.Load("customers.xml").
                          Root.Elements("customer")
                select new Customer
                {
                    CustomerID = (string)e.Element("id"),
                    CompanyName = (string)e.Element("name"),
                    Address = (string)e.Element("address"),
                    City = (string)e.Element("city"),
                    Region = (string)e.Element("region"),
                    PostalCode = (string)e.Element("postalcode"),
                    Country = (string)e.Element("country"),
                    Phone = (string)e.Element("phone"),
                    Fax = (string)e.Element("fax"),
                    Orders = (
                        from o in e.Elements("orders").Elements("order")
                        select new Order
                        {
                            OrderID = (int)o.Element("id"),
                            OrderDate = (DateTime)o.Element("orderdate"),
                            Total = (decimal)o.Element("total")
                        })
                        .ToArray()
                }
                ).ToList();