Display the ancestor elements for each source element
using System; using System.Linq; using System.Xml.Linq; using System.Collections.Generic; class Program//from ww w .ja v a 2 s . c o m { static void Main(string[] args){ XDocument xDocument = new XDocument( new XElement("Books", new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "Joe"), new XElement("LastName", "Ruby")), new XElement("Book", new XAttribute("type", "Editor"), new XElement("FirstName", "PHP"), new XElement("LastName", "Python")))); IEnumerable<XElement> elements = xDocument.Element("Books").Descendants("FirstName"); // First, we will display the source elements. foreach (XElement element in elements) { Console.WriteLine("Source element: {0} : value = {1}", element.Name, element.Value); } foreach (XElement element in elements) { // Call the Ancestors method on each element. foreach(XElement e in element.Ancestors()) // Now, we will display the ancestor elements for each source element. Console.WriteLine("Ancestor element: {0}", e.Name); } } }