IoC in ASP.NET MVC

We used the repository pattern(DomainDrivenDesign) to implement an injectable repository type in the peristence controllers in our ASP.NET MVC application.

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public class PersistenceController:Controller
{
  private readonly IPersistenceManager _persistenceManager;

  public PersistenceController(IPersistenceManager persistenceManager)
  {
     _persistenceManager = persistenceManager;
  }

   public PersistenceController():this(PersistenceFactory.CreateInstance())
   {
   }

The PersistenceFactory was introduced to decouple the concrete types created from the actual client using the type.