Missing token 'access-control-allow-headers' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel

Question

I have two VS projects : one exposing MVC5 controllers, the other being an angular client. I want the angular client to be able to query the controllers. I read numerous thr

Answer 1

Oftentimes, the threads that I read were suggesting several unecessary configuration steps, which created confusion. It's actually very simple...

For the simple purpose of sending a cross site request, from an angular client, to an ASP controller :

• No angular interceptors are required.
• No custom filters on the server side are required.

• The only mandatory modification is to add this in the server's web.config