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HttpRequest.UrlReferrer Property

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>");
   

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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