check if node exists

using System; using System.IO; using System.Xml; public class Sample { public static void Main() { XmlDocument doc = new XmlDocument(); doc.Load("booksort.xml"); //Select the book node with the matching attribute value. XmlNode nodeToFind; XmlElement root = doc.DocumentElement; // Selects all the title elements that have an attribute named lang nodeToFind = root.SelectSingleNode("//title[@lang]"); if( nodeToFind != null ) { // It was found, manipulate it. } else { // It was not found. } } }