WebException.Response WebException.Response WebException.Response WebException.Response Property

Definition

Ruft ab, der vom Remotehost zurückgegebene Antwort.Gets the response that the remote host returned.

public:
 property System::Net::WebResponse ^ Response { System::Net::WebResponse ^ get(); };
public System.Net.WebResponse Response { get; }
member this.Response : System.Net.WebResponse
Public ReadOnly Property Response As WebResponse

Eigenschaftswert

Wenn eine Antwort von der Internetressource verfügbar ist eine WebResponse Instanz, die die Fehlerantwort einer Internetressource enthält, andernfalls null.If a response is available from the Internet resource, a WebResponse instance that contains the error response from an Internet resource; otherwise, null.

Beispiele

Das folgende Beispiel überprüft die Status Eigenschaft und an der Konsole ausgegeben der StatusCode und StatusDescription des zugrunde liegenden HttpWebResponse Instanz.The following example checks the Status property and prints to the console the StatusCode and StatusDescription of the underlying HttpWebResponse instance.

try
{
   // Create a web request for an unknown server (this raises the WebException).
   HttpWebRequest^ myHttpWebRequest = (HttpWebRequest^)(WebRequest::Create( "http://unknown.unknown.com" ));
   
   // Get the associated response for the above request.
   HttpWebResponse^ myHttpWebResponse = (HttpWebResponse^)(myHttpWebRequest->GetResponse());
   myHttpWebResponse->Close();
}
catch ( WebException^ e ) 
{
   Console::WriteLine( "This program is expected to throw WebException on successful run." +
      "\n\nException Message : " + e->Message );
   if ( e->Status == WebExceptionStatus::ProtocolError )
   {
      Console::WriteLine( "Status Code: {0}", ( (HttpWebResponse^)(e->Response) )->StatusCode );
      Console::WriteLine( "Status Description: {0}", ( (HttpWebResponse^)(e->Response) )->StatusDescription );
   }
}
catch ( Exception^ e ) 
{
   Console::WriteLine( e->Message );
}
try {
   // Create a web request for an invalid site. Substitute the "invalid site" strong in the Create call with a invalid name.
     HttpWebRequest myHttpWebRequest = (HttpWebRequest) WebRequest.Create("invalid site");

    // Get the associated response for the above request.
     HttpWebResponse myHttpWebResponse = (HttpWebResponse) myHttpWebRequest.GetResponse();
    myHttpWebResponse.Close();
}
catch(WebException e) {
    Console.WriteLine("This program is expected to throw WebException on successful run."+
                        "\n\nException Message :" + e.Message);
    if(e.Status == WebExceptionStatus.ProtocolError) {
        Console.WriteLine("Status Code : {0}", ((HttpWebResponse)e.Response).StatusCode);
        Console.WriteLine("Status Description : {0}", ((HttpWebResponse)e.Response).StatusDescription);
    }
}
catch(Exception e) {
    Console.WriteLine(e.Message);
}
 Try
     'Create a web request for an invalid site. Substitute the "invalid site" strong in the Create call with a invalid name.
     Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create("invalid site"), HttpWebRequest)
     
     'Get the associated response for the above request.
     Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
     myHttpWebResponse.Close()
 Catch e As WebException
     Console.WriteLine(e.Message)
     
      If e.Status = WebExceptionStatus.ProtocolError Then
         Console.WriteLine("Status Code : {0}", CType(e.Response, HttpWebResponse).StatusCode)
         Console.WriteLine("Status Description : {0}", CType(e.Response, HttpWebResponse).StatusDescription)
     End If

Catch e As Exception
     Console.WriteLine(e.Message)
 End Try

Hinweise

Einige Internetprotokolle, z. B. HTTP, gibt andernfalls gültige Antworten gibt an, dass ein Fehler auf Protokollebene aufgetreten ist.Some Internet protocols, such as HTTP, return otherwise valid responses indicating that an error has occurred at the protocol level. Wenn die Antwort auf eine internetanforderung einen Fehler anzeigt WebRequest.GetResponse legt diese fest der Status Eigenschaft, um WebExceptionStatus.ProtocolError sowie der WebResponse , enthält die Fehlermeldung in der Response Eigenschaft der WebException war wird ausgelöst.When the response to an Internet request indicates an error, WebRequest.GetResponse sets the Status property to WebExceptionStatus.ProtocolError and provides the WebResponse that contains the error message in the Response property of the WebException that was thrown. Überprüfen Sie die Anwendung kann die WebResponse um den tatsächlichen Fehler zu ermitteln.The application can examine the WebResponse to determine the actual error.

Gilt für: