很多网站都有显示QQ在线功能，但是每次都要连接腾讯网站，如果腾讯这台服务器速度稍有影响，就会影响你的网站打开速度。有时甚至出现图标显不出来，显示一个个X，很影响美观。



这个控件利用缓存功能，大大降低了腾讯的影响率，并且如果连接不上腾讯服务器，也不会显示X。



使用方法：QQOnlineControl 控件中一个属性QQ，直接把在显示状态的QQ号赋值。多个用 号隔开。

可以查看Default.aspx样例。-Many sites are displayed QQ online functionality, but each time to connect Tencent website, if Tencent slightly affect the speed of this server will affect the speed of your Web site opens. Xian Buchu icon sometimes appears, showing one by one X, a very beautiful effect. This control is the use of caching, greatly reduces the impact of the rate of Tencent, Tencent and if the connection is not on the server, it will not show X. How to use: QQOnlineControl control a property of QQ, directly in the display state of QQ numbers assigned. Multiple use　numbers separated. Can view the Default.aspx sample.