This article describes an application of (a simple subset of) XML that can be used to represent such a database. The description of the database above suggests a simple nesting of fields inside records inside tables inside databases.
By default we should always favour asynchronous XHR to help the responsiveness of our Web applications. However, have you ever wanted a way to serialize your XHR calls because you needed to do things in sequence as B relied on what came back from A?
Micah Snyder of Digg posted on DUI.Stream, an experimental library that implements a multipart XHR technique to bundle resources into one request and then breaks them out at the other end:
This jQuery plugin gives the ability to read request parameters of the actual URL and makes them available for further use in your javascript files.
I’ve found using one default fallback AJAX failure mechanism to be a bit of a life saver, it would prove even more useful if you are making a lot of AJAX calls distributed across your site.
Although the concept isn't entirely new, XMLHttpRequest technology is implimented on more sites now than ever. Compatibility is no longer an issue (IE, Mozilla and Opera all support it), and the benefits to using it are amazing.
As deployment of XML data and web services becomes more widespread, you may occasionally find it convenient to connect an HTML presentation directly to XML data for interim updates without reloading the page.
Hi before be telling about AJAX and XML Let be tell u what is XML .XML stands for Extensible Markup Language which is an International standards of data exchange .
Web2.0 is a term coined to refer to web applications that run without visible page refreshes. A normal website functions by delivering pages of information, with links that allow a user to move from page to page.
Asynchronous Javascript with XML, commonly called AJAX, drives an increasing number of Web 2.0 applications and sites such as Gmail, Google Maps and many others.
ASP.NET Ajax CalendarExtender and Validation
Ajax Tools for ASP.NET Developers
Ajaxlines is a project focused on providing its audience with a database of most of Ajax related articles, resources, tutorials and services from around the world.
Its purpose is to showcase the power of Ajax and to act as a portal to the Ajax development community.