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POUnity injection into asp.net web api controllers and filters
 

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    <p>I have WebForms project, and there I have WebApi controller. How I can inject to controller constructor and to action filter constructor?</p> <p>I have implemented <code>IDependencyResolver</code> and use it in <code>Global.asax</code> (<code>GlobalConfiguration.Configuration.DependencyResolver</code>), but it doesn't help: on request controller says that there is no default constructor and filter on application start says that it does not contain a constructor that takes 0 arguments.</p> <p>Moreover, i need singletone injection to action filter.</p> <p>Thanks.</p> <p><strong>UPD</strong></p> <p><code> </p> <pre><code>public class ScopeContainer : IDependencyScope { protected readonly IUnityContainer _container; public ScopeContainer(IUnityContainer container) { _container = container; } public object GetService(Type serviceType) { return _container.IsRegistered(serviceType) ? _container.Resolve(serviceType) : null; } public IEnumerable&lt;object&gt; GetServices(Type serviceType) { return _container.IsRegistered(serviceType) ? _container.ResolveAll(serviceType) : new List&lt;object&gt;(); } public void Dispose() { _container.Dispose(); } } public class IoCContainer : ScopeContainer, IDependencyResolver { public IoCContainer(IUnityContainer container) : base(container) { } public IDependencyScope BeginScope() { var child = _container.CreateChildContainer(); return new ScopeContainer(child); } } public class Global : HttpApplication { void Application_Start(object sender, EventArgs e) { RegisterRoutes(); ConfigureApi(GlobalConfiguration.Configuration); } void ConfigureApi(HttpConfiguration config) { var unity = new UnityContainer(); unity.RegisterInstance&lt;ILogger&gt;(new Logger()); unity.RegisterType&lt;IRepository, DbRepository&gt;(); config.DependencyResolver = new IoCContainer(unity); } private static void RegisterRoutes() { RouteTable.Routes.MapHttpRoute("ServiceApi", "api/{controller}/{action}"); } } </code></pre> <p></code></p>
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    1. COshow the implementation of your IDependencyResolver. How do you register the types in the Unity container? Here´s a link how to use IDependencyResolve in WebApi http://www.asp.net/web-api/overview/extensibility/using-the-web-api-dependency-resolver
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      1. USJehof
    2. COyes, i read this article and use it
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      1. USBoo
 

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