HttpWebResponse.StatusCode-Eigenschaft
Ruft den Status der Antwort ab.
Namespace: System.Net
Assembly: System (in system.dll)
Syntax
'Declaration
Public ReadOnly Property StatusCode As HttpStatusCode
'Usage
Dim instance As HttpWebResponse
Dim value As HttpStatusCode
value = instance.StatusCode
public HttpStatusCode StatusCode { get; }
public:
property HttpStatusCode StatusCode {
HttpStatusCode get ();
}
/** @property */
public HttpStatusCode get_StatusCode ()
public function get StatusCode () : HttpStatusCode
Eigenschaftenwert
Einer der HttpStatusCode-Werte.
Ausnahmen
Ausnahmetyp | Bedingung |
---|---|
Die aktuelle Instanz wurde bereits verworfen. |
Hinweise
Der StatusCode-Parameter ist eine Zahl, die den Status der HTTP-Antwort angibt. Die erwarteten Statuswerte sind in der HttpStatusCode-Klasse definiert.
Beispiel
Im folgenden Beispiel wird mithilfe von StatusCode überprüft, ob der Status von HttpWebResponse OK lautet.
Public Shared Sub GetPage(url As [String])
Try
' Creates an HttpWebRequest with the specified URL.
Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create(url), HttpWebRequest)
' Sends the request and waits for a response.
Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
If myHttpWebResponse.StatusCode = HttpStatusCode.OK Then
Console.WriteLine(ControlChars.Lf + ControlChars.NewLine + "Response Status Code is OK and StatusDescription is: {0}", myHttpWebResponse.StatusDescription)
End If
' Release the resources of the response.
myHttpWebResponse.Close()
Catch e As WebException
Console.WriteLine(ControlChars.Lf + ControlChars.NewLine + "Exception Raised. The following error occured : {0}", e.Status)
Catch e As Exception
Console.WriteLine(ControlChars.NewLine + "The following exception was raised : {0}", e.Message)
End Try
End Sub
public static void GetPage(String url)
{
try
{
// Creates an HttpWebRequest for the specified URL.
HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(url);
// Sends the HttpWebRequest and waits for a response.
HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
if (myHttpWebResponse.StatusCode == HttpStatusCode.OK)
Console.WriteLine("\r\nResponse Status Code is OK and StatusDescription is: {0}",
myHttpWebResponse.StatusDescription);
// Releases the resources of the response.
myHttpWebResponse.Close();
}
catch(WebException e)
{
Console.WriteLine("\r\nWebException Raised. The following error occured : {0}",e.Status);
}
catch(Exception e)
{
Console.WriteLine("\nThe following Exception was raised : {0}",e.Message);
}
}
void GetPage( String^ url )
{
try
{
// Creates an HttpWebRequest for the specified URL.
HttpWebRequest^ myHttpWebRequest = dynamic_cast<HttpWebRequest^>(WebRequest::Create( url ));
// Sends the HttpWebRequest and waits for a response.
HttpWebResponse^ myHttpWebResponse = dynamic_cast<HttpWebResponse^>(myHttpWebRequest->GetResponse());
if ( myHttpWebResponse->StatusCode == HttpStatusCode::OK )
{
Console::WriteLine( "\r\nResponse Status Code is OK and StatusDescription is: {0}",
myHttpWebResponse->StatusDescription );
}
// Releases the resources of the response.
myHttpWebResponse->Close();
}
catch ( WebException^ e )
{
Console::WriteLine( "\r\nWebException Raised. The following error occured : {0}", e->Status );
}
catch ( Exception^ e )
{
Console::WriteLine( "\nThe following Exception was raised : {0}", e->Message );
}
}
public static void GetPage(String url)
{
try {
// Creates an HttpWebRequest for the specified URL.
HttpWebRequest myHttpWebRequest = (HttpWebRequest)
WebRequest.Create(url);
// Sends the HttpWebRequest and waits for a response.
HttpWebResponse myHttpWebResponse = (HttpWebResponse)
myHttpWebRequest.GetResponse();
if (myHttpWebResponse.get_StatusCode().Equals(HttpStatusCode.OK)) {
Console.WriteLine("\r\nResponse Status Code is OK and "
+ "StatusDescription is: {0}",
myHttpWebResponse.get_StatusDescription());
}
// Releases the resources of the response.
myHttpWebResponse.Close();
}
catch (WebException e) {
Console.WriteLine("\r\nWebException Raised. The "
+ "following error occured : {0}", e.get_Status());
}
catch (System.Exception e) {
Console.WriteLine("\nThe following Exception was raised : {0}",
e.get_Message());
}
} //GetPage
Plattformen
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile für Pocket PC, Windows Mobile für Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
.NET Compact Framework
Unterstützt in: 2.0, 1.0
Siehe auch
Referenz
HttpWebResponse-Klasse
HttpWebResponse-Member
System.Net-Namespace