Calling Async Methods in Action Filters in MVC 5

Question

I\'m writing an Action Filter (inheriting from ActionFilterAttribute) which uses HttpClient to POST data to an external server in the OnResultExe

Answer 1

Some guy kind of 'back ported' it here

https://github.com/jdaigle/Hydrogen.Extensions.Mvc5

I haven't tried it and can't recommend it but if you're in transition to .NET Core it might be worth considering. Fortunately I managed to remove all async code from my extension - this time.