Add custom header to all responses in Web API

Question

Simple question, and I am sure it has a simple answer but I can\'t find it.

I am using WebAPI and I would like to send back a custom header to all responses (server

Answer 1

Neither of the above two solutions worked for me. They wouldn't even compile. Here's what I did. Added:

filters.Add(new AddCustomHeaderFilter());

to RegisterGlobalFilters(GlobalFilterCollection filters) method in FiltersConfig.cs and then added

public class AddCustomHeaderFilter : ActionFilterAttribute
{
   public override void OnActionExecuted(ActionExecutedContext actionExecutedContext)
   {
       actionExecutedContext.HttpContext.Response.Headers.Add("ServerTime", DateTime.Now.ToString());
   }
}