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POIs there any benefit to using single Repository instance for Asp.net Mvc application?
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  1. POIs there any benefit to using single Repository instance for Asp.net Mvc application?
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    copied!<p>In <a href="http://www.codeplex.com/CarTrackr" rel="nofollow noreferrer">CarTrackr project</a>, It use some technique that creates only 1 repository instance for all request in Asp.net Mvc website and uses UnityControllerFactory class to manage all repository instanes(send to requested controller). </p> <p>Is there any benefit to using single repository instance when compare with creating new repository instance every request? </p> <p>I know, it may improve overall performance. But, Does it cause any transcation problem?</p> <p><strong>partial Global.asax</strong></p> <pre><code>public class MvcApplication : System.Web.HttpApplication { protected void Application_Start() { RegisterRoutes(RouteTable.Routes); RegisterDependencies(); } protected static void RegisterDependencies() { IUnityContainer container = new UnityContainer(); // Registrations container.RegisterType&lt;IUserRepository, UserRepository&gt;(new ContextLifetimeManager&lt;IUserRepository&gt;()); container.RegisterType&lt;ICarRepository, CarRepository&gt;(new ContextLifetimeManager&lt;ICarRepository&gt;()); // Set controller factory ControllerBuilder.Current.SetControllerFactory( new UnityControllerFactory(container) ); } } </code></pre> <p><strong>partial CarController.cs</strong></p> <pre><code>[Authorize] public class CarController : Controller { private IUserRepository UserRepository; private ICarRepository CarRepository; public CarController(IUserRepository userRepository, ICarRepository carRepository) { UserRepository = userRepository; CarRepository = carRepository; } } </code></pre> <p><strong>Thanks,</strong></p>
 

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