HttpRequest.UrlReferrer HttpRequest.UrlReferrer HttpRequest.UrlReferrer HttpRequest.UrlReferrer Property

定義

取得有關用戶端的先前要求之 URL (連結至目前 URL) 的資訊。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

屬性值

Uri 物件。A Uri object.

例外狀況

HTTP Referer 要求標頭的格式不正確,無法轉換成 Uri 物件。The HTTP Referer request header is malformed and cannot be converted to a Uri object.

範例

下列程式碼範例顯示的 URL,用來參考目前應用程式的用戶端的兩個屬性的值。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>")
   

適用於