Error pages in DD4T (404 and 500)

In DD4T the 404 page can be retrieved as below, Override the Action Page, and when the Page is null return the NotFound Action. In the NotFound action, Query the Broker for the 404  page and return the view.

	public class PageController : TridionPageController
	{
	public override ActionResult NotFound()
	{
	var page = ContentProvider.GetPageModel(WebRequestContext.Localization.Path + "/404.aspx");
	if (page == null)
	{
	throw new HttpException(404, "Page Not Found");
	}
	Response.StatusCode = 404;
	return View("Error", page);
	}
	public override ActionResult Page(string pageUrl)
	{
	var page = ContentProvider.GetPageModel(pageUrl);
	if (page == null)
	{
	return NotFound();
	}
	//TODO:---
	}
	public ActionResult ServerError()
	{
	Response.StatusCode = 500;
	return View("ServerError");
	}
	}

view raw PageController.cs hosted with ❤ by GitHub

The 500 Error page can be throw from the Global level as below, when error occurred handle it the global level and return just view with error information

	public class MvcApplication : NinjectHttpApplication
	{
	protected void Application_Error(object sender, EventArgs e)
	{
	if (Context.IsCustomErrorEnabled)
	ShowCustomErrorPage(Server.GetLastError());
	}
	private void ShowCustomErrorPage(Exception exception)
	{
	HttpException httpException = exception as HttpException;
	if (httpException == null)
	httpException = new HttpException(500, "Internal Server Error", exception);
	RouteData routeData = new RouteData();
	Logger.Error("500 - Internal Server Error {0}", httpException);
	routeData.Values.Add("controller", "Page");
	routeData.Values.Add("action", "ServerError");
	Server.ClearError();
	IController controller = DependencyResolver.Current.GetService<PageController>(); ;
	controller.Execute(new RequestContext(new HttpContextWrapper(Context), routeData));
	}
	}

view raw MvcApplication.cs hosted with ❤ by GitHub