Introduction - If you have any usage issues, please Google them yourself
This example uses asp.net2.0+ ajax technology, without the database and take 2.0 new concept Dictionary, LinkedList collection of data processing. All to send, receive, display online users list mused using ajax technology, complete, refresh-free chat Ajax functionality is the core of JavaScript XmlHttpRequest object. The object was first introduced in Internet Explorer 5, it is a technology that supports asynchronous requests