Change default ASP MVC Request Header to add your own values

Question

Im trying to change all my ASP MVC HTTP response headers to have another value by default for implementing Pingback auto-discovery in my blog application.

The defaul

Answer 1

I believe your problem may be simply that you are trying to modify the headers too late, since you're doing it in OnResultExecuted. Try overriding OnResultExecuting instead.

http://msdn.microsoft.com/en-us/library/system.web.mvc.actionfilterattribute.onresultexecuting.aspx