In fact very simple, it is using the ajax in the realization of a updatepanel re...
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其实很简单，就是利用ajax中updatepanel实现无刷新显示
然后利用timer实现重复的调用
application保存聊天信息
session保存登陆人信息-In fact very simple, it is using the ajax in the realization of a updatepanel refresh display and then use the call timer to repeat realize Save chat application information session preservation landing Information
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TalkShowRoom
App_Data
Default.aspx
Default.aspx.cs
Talk.aspx
Talk.aspx.cs
Web.config
