Hi, the problem is:

XmlReader xmlReader = XmlReader.Creat e("D:\\temp\\Ex ample.html");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xml Reader);
XmlNodeList list = xmlDoc.SelectNo des("/html/head/title");

after this... list.Count is 0, but when I delete xmlns attribute (Example2.html, list.Count is 1...
but I want list.Count == 1 result for Example.html, too ...so...