The Environmental Monitor System Based On AJAX

Currently,As the rapid develeporment of a Web, more and more people pay great attention to a web technology AJAX. AJAX introduced asynchronous transfer technology to promote local renewable pages, which saved the web bandwidth and enhanced useres experience. Compare to the traditional web technology like Applet,flash , AJAX doesn't need specialized software to be used in most popular browsers, because AJAX use XMLHttpRequest to send the asynchronous request, and XMLHttpRequest is surport by most popular browsers.The Environmental Monitor System use AJAX base on the ASP.NET platform. We use a open-source framework-Ajax.Net to realize the AJAX technology. Ajax.Net includes XMLHttpRequest which realizes a ways to use the founctions or methords of servers.Ajax.Net enable Javascript code directly access ASP.NET founctions or methods, and response back to the Javascript client.This paper focuses on the following aspects:1 , Focused on AJAX's Partial regeneration, this paper studies the current progress of Web technology which is based AJAX, and summarizes current situation of AJAX development.2, The paper studies the difference between traditional Web and AJAX Web, and analyzes the asynchronous transfer of AJAX, then summarizes the theory of AJAX's work.3, The paper studies technology about AJAX, especially emphasizing on the mian technology of AJAX,and show the difference of some assemble AJAX technology.4, The paper studies the tools and the frame of AJAX,and summarizes merit and defect of AJAX.5 , The research of realization technology of AJAX base on the frame of Ajax.Net.Show the detail design of the system base on AJAX.