Unity IoC does not inject dependency into Web API Controller

Question

I\'m very new to using Unity, but my problem is that whenever I call my web service, I get an exception stating that

\"Make sure that the controller has a parameterl

Answer 1

I know this is an old post but since I just ran into the same problem, the solution was to simply pass the config object to the Unity registration function and use the DependencyResolver from that instance:

EDIT: Just noted that the accepted answer does exacly this... Sorry for the spam ;-)

public static class UnityConfig
{
    public static void Register(HttpConfiguration config)
    {
        var container = new UnityContainer();

        // register your services here...

        // replace...
        /* GlobalConfiguration.Configuration.DependencyResolver = new      Unity.WebApi.UnityDependencyResolver(container); */

        // with this:
        config.DependencyResolver = new Unity.WebApi.UnityDependencyResolver(container);
    }
}