HttpWebResponse.StatusCode Proprietà

Definizione

Ottiene lo stato della risposta.Gets the status of the response.

public:
 virtual property System::Net::HttpStatusCode StatusCode { System::Net::HttpStatusCode get(); };
public:
 property System::Net::HttpStatusCode StatusCode { System::Net::HttpStatusCode get(); };
public virtual System.Net.HttpStatusCode StatusCode { get; }
public System.Net.HttpStatusCode StatusCode { get; }
member this.StatusCode : System.Net.HttpStatusCode
Public Overridable ReadOnly Property StatusCode As HttpStatusCode
Public ReadOnly Property StatusCode As HttpStatusCode

Valore della proprietà

Uno dei valori HttpStatusCode.One of the HttpStatusCode values.

Eccezioni

L'istanza corrente è stata eliminata.The current instance has been disposed.

Esempio

Nell'esempio seguente viene usato StatusCode per verificare che lo stato del HttpWebResponse sia OK.The following example uses StatusCode to verify that the status of the HttpWebResponse is OK.

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 occurred : {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.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 occurred : {0}",e.Status); 
       }
    catch(Exception e)
    {
        Console.WriteLine("\nThe following Exception was raised : {0}",e.Message);
    }
}
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 occurred : {0}", e.Status)
    Catch e As Exception
        Console.WriteLine(ControlChars.NewLine + "The following exception was raised : {0}", e.Message)
    End Try
End Sub 

Commenti

Il parametro StatusCode è un numero che indica lo stato della risposta HTTP.The StatusCode parameter is a number that indicates the status of the HTTP response. I valori previsti per lo stato sono definiti nella classe HttpStatusCode.The expected values for status are defined in the HttpStatusCode class.

Si applica a