HttpResponse.RedirectToRoutePermanent Method (RouteValueDictionary)

.NET Framework (current version)

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Performs a permanent redirection from a requested URL to a new URL by using route parameter values.

Namespace:   System.Web
Assembly:  System.Web (in System.Web.dll)

public void RedirectToRoutePermanent(
	RouteValueDictionary routeValues


Type: System.Web.Routing.RouteValueDictionary

The route parameter values.

Exception Condition

No route corresponds to the specified route parameters.


Redirection was attempted after the HTTP headers had been sent.

This method is provided for coding convenience. It is equivalent to calling the Redirect(String, Boolean) method with the second parameter set to false.

This method calls the RouteCollection.GetVirtualPath method to determine the URL.

ASP.NET performs the redirection by returning a 301 HTTP status code.

The following example shows how to call this method to redirect to a route that has parameters that are named productid and category.

  new RouteValueDictionary {productId="1", category="widgets"});

.NET Framework
Available since 4.0
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