How do I make a funtion in ASP.NET be called asynchronously?

I have a function that is a bit slow, but no return value is required to complete the page processing in ASP.NET. I figured if I could make the function asynchronous, it would speed up the page loading time for the user greatly.





Thanks!How do I make a funtion in ASP.NET be called asynchronously?
Use JavaScript(Client Side) or AJAX or ATLAS