HttpRequest.UrlReferrer Property

Definition

Namespace:

System.Web

Assembly:

System.Web.dll

Gets information about the URL of the client's previous request that linked to the current URL.

public:
 property Uri ^ UrlReferrer { Uri ^ get(); };

public Uri UrlReferrer { get; }

member this.UrlReferrer : Uri

Public ReadOnly Property UrlReferrer As Uri

Property Value

Uri

A Uri object.

Exceptions

UriFormatException

The HTTP Referer request header is malformed and cannot be converted to a Uri object.

Examples

The following code example displays the value of two properties of the URL that referred the client to the current application.

Uri MyUrl = Request.UrlReferrer;
 Response.Write("Referrer URL Port: " + Server.HtmlEncode(MyUrl.Port.ToString()) + "<br>");
 Response.Write("Referrer URL Protocol: " + Server.HtmlEncode(MyUrl.Scheme) + "<br>");

Dim MyUrl As Uri = Request.UrlReferrer
 Response.Write("Referrer URL Port: " & Server.HtmlEncode(MyUrl.Port.ToString()) & "<br>")
 Response.Write("Referrer URL Protocol: " & Server.HtmlEncode(MyUrl.Scheme) & "<br>")