Comparing Ajax to Normal HTTP Mechanism As stated above, the traditional way users interact with a page is to click a link (usually translates to an HTTP GET request) or click a submit button on a form (usually translates to an HTTP POST request) . In the first case, a new page is requested and the browser refreshes with new content. In the second case, either a new page or the same page with modified values is returned. In Ajax the request is made using the JavaScript function XmlHttpRequest. The request asks for a block of XML data (rather than a whole page to refresh) that the JavaScript code can handle in whatever way it sees fit….

Rico AjaxEngine Tutorial 2 ? XML data that the JavaScript runs an XSLT process on to convert into HTML code to be inserted on the page somewhere ? XML data that holds JavaScript that the JavaScript code evaluates to issue commands ? XML data that contains HTML code that can be placed inside another HTML element on the page….A request handler can be written in a number of different server languages or mechanisms. Some of these include web services using SOAP or HTTP Rest interfaces or with Java Server Pages (JSP) , Jakarta Struts Actions, PHP code, ASP code, Ruby code – and the list goes on….

Download Rico AjaxEngine Tutorial.Pdf