HttpResponseBase.RedirectPermanent Method (String, Boolean)
Performs a permanent redirect from the requested URL to the specified URL, and provides the option to complete the response.
Assembly: System.Web (in System.Web.dll)
The overload method provides a 301 HTTP status code in the response and includes the URL to redirect the request to. This overload also provides the option to specify whether to terminate or to complete the response after the redirect has been performed. A 301 HTTP status code is a standard code in an HTTP response. It indicates that a permanent redirect exists, and it provides the redirect location.