ioc.cs

private void IocRegistration(ApplicationContext applicationContext)
{
    var container = new ServiceContainer();
    container.RegisterControllers(typeof (UmbracoApplication).Assembly);
    container.RegisterApiControllers(typeof (UmbracoApplication).Assembly);
    container.RegisterControllers(typeof (Umbraco.Forms.Web.Trees.DataSourceTreeController).Assembly);
    container.RegisterApiControllers(typeof (Umbraco.Forms.Web.Trees.DataSourceTreeController).Assembly);
    container.RegisterControllers(typeof (Diplo.TraceLogViewer.Controllers.TraceLogTreeController).Assembly);
    container.RegisterApiControllers(typeof (Diplo.TraceLogViewer.Controllers.TraceLogTreeController).Assembly);
    container.RegisterControllers(typeof(Merchello.Web.Mvc.MerchelloRenderMvcController).Assembly);
    container.RegisterApiControllers(typeof(Merchello.Web.WebApi.MerchelloApiController).Assembly);

    container.EnableMvc();
    container.EnableWebApi(GlobalConfiguration.Configuration);
}