using Systm.XML.Xpath //creates an instance of XPathDocument class and loads xml if (System.IO.File.Exists(Server.MapPath(“/portal/BrowserCookieValidation.xml”))) { XPathDocument doc = new XPathDocument(Server.MapPath(“BrowserCookieValidation.xml”)); //An XPathNavigator object acts like a cursor, addressing a node in the XML document at a time XPathNavigator nav = doc.CreateNavigator();… Read moreUsing XPathDocument

function getXMLHTTP() { var XMLHTTP = null; if (window.ActiveXObject) { try { //this legacy approach failed, try other object XMLHTTP = new ActiveXObject(“Msxml2.XMLHTTP”); } catch (e) { try { //ie implementation XMLHTTP = new ActiveXObject(“Microsoft.XMLHTTP”); } catch (e) { }… Read moreThe XMLHttpRequest Instantiation with explanations