Sorting Customer Orders - C# linq / query

using System.Collections.Generic;
using System;
using System.Linq;

XDocument input = XDocument.Load(path1);

            input.Element("customers").Element("customer").Element("orders").ReplaceNodes(
                from node in input.Element("customers").Element("customer").Element("orders").Elements("order")
                orderby Convert.ToInt32(node.Element("id").Value)
                select node
                );
            input.Save(outpath1);