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HttpRequest.UrlReferrer Property

Updated: April 2009

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

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

public Uri UrlReferrer { get; }

Property Value

Type: System.Uri
A Uri object.

ExceptionCondition
UriFormatException

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

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>");

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

Date

History

Reason

April 2009

Documented UriFormatException.

Content bug fix.

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