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HttpWebRequest.Referer Property

Gets or sets the value of the Referer HTTP header.

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

Public Property Referer As String

Property Value

Type: System.String
The value of the Referer HTTP header. The default value is Nothing.

If the AllowAutoRedirect property is true, the Referer property is set automatically when the request is redirected to another site.

To clear the Referer HTTP header, set the Referer property to Nothing.


The value for this property is stored in WebHeaderCollection. If WebHeaderCollection is set, the property value is lost.

The following code example sets the Referer property.

            ' Create a 'HttpWebRequest' object.
            Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create(myUri), HttpWebRequest)
            ' Referer property is set to
            myHttpWebRequest.Referer = ""
            ' The response object of 'HttpWebRequest' is assigned to a 'HttpWebResponse' variable.
            Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
            ' Displaying the contents of the page to the console
            Dim streamResponse As Stream = myHttpWebResponse.GetResponseStream()
            Dim streamRead As New StreamReader(streamResponse)
            Dim readBuffer(256) As [Char]
            Dim count As Integer = streamRead.Read(readBuffer, 0, 256)
            Console.WriteLine(ControlChars.Cr + "The contents of HTML page are.......")
            While count > 0
                Dim outputData As New [String](readBuffer, 0, count)
                count = streamRead.Read(readBuffer, 0, 256)
            End While
            Console.WriteLine(ControlChars.Cr + "HTTP Request  Headers :" + ControlChars.Cr + ControlChars.Cr + "{0}", myHttpWebRequest.Headers)
            Console.WriteLine(ControlChars.Cr + "HTTP Response Headers :" + ControlChars.Cr + ControlChars.Cr + "{0}", myHttpWebResponse.Headers)
            ' Release the response object resources.
            Console.WriteLine("Referer to the site is:{0}", myHttpWebRequest.Referer)

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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