how to use ASP.NET SignalR 2 to create a real-time chat application. You will add SignalR to an MVC 5 application and create a chat view to send and display messages.
you will learn the following SignalR development tasks: Adding the SignalR library to an MVC 5 application. Creating hub and OWIN startup classes to push content to clients. Using the SignalR jQuery library in a web page to send messages and display updates from the hub.
Important When you add SignalR and other script libraries to your Visual Studio project, the Package Manager might install a version of the SignalR script file that is more recent than the version shown in this topic. Make sure that the script reference in your code matches the version of the script library installed in your project.