SignalR OnDisconnected - a reliable way to handle “User is Online” for chatroom?

Question

I\'m implementing a chat room. So far, so good - users can send messages from their browsers via a JS client, and I can use a C# client to do the same thing - these message

Answer 1

Try following this sample here:

https://github.com/DamianEdwards/NDCLondon2013/tree/master/UserPresence