HttpRequest.UrlReferrer Property

Reference

Definition

Namespace:: System.Web

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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>")

Applies to

Product	Versions
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

Share via