‫تزریق وابستگی‌های رایج ASP.NET MVC به برنامه

var userId= User.Identity.GetUserId();
var user = _context.Users.Find(userId);

var user = int.Parse(User.Identity.GetUserId());

public class CommonASPNETRegistry : StructureMap.Configuration.DSL.Registry
{
        public CommonASPNETRegistry()
        {
            For<IIdentity>().Use(() => HttpContext.Current.User.Identity);
            // Other dependencies
        }
}

public static class SmObjectFactory
{
        private static readonly Lazy<Container> _containerBuilder =
            new Lazy<Container>(defaultContainer, LazyThreadSafetyMode.ExecutionAndPublication);

        public static IContainer Container
        {
            get { return _containerBuilder.Value; }
        }

        private static Container defaultContainer()
        {
            return new Container(ioc =>
            {
                // Other settings
                ioc.AddRegistry(new CommonASPNETRegistry());
                
            });
        }
}

var user = int.Parse(User.Identity.GetUserId());