Description: My first is a chat room with ASP 3.0 writes. Procedures are relatively simple, two text box, used to handle pages of information per second set. At that time, if we want to build a real chat room, have to use Java applet or ActiveX control. Based on the chart HTTP rooms are faced with something like my first one chat room asked the same issue. These issues include pages to refresh the screen flicker. However, this problem has been solved AJAX. AJAX is Asynchronous JavaScript and XML called the combination. Now the server side using some JavaScript code can achieve a real chat r the oom. This article will introduce Ajax, and the assumption that you have to Ajax and ASP.NET use a certain understanding. Only how to use Ajax technology to create a basic chat room.
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