WebException.Status Propriedade
Definição
Importante
Algumas informações se referem a produtos de pré-lançamento que podem ser substancialmente modificados antes do lançamento. A Microsoft não oferece garantias, expressas ou implícitas, das informações aqui fornecidas.
Obtém o status da resposta.
public:
property System::Net::WebExceptionStatus Status { System::Net::WebExceptionStatus get(); };
public System.Net.WebExceptionStatus Status { get; }
member this.Status : System.Net.WebExceptionStatus
Public ReadOnly Property Status As WebExceptionStatus
Valor da propriedade
Um dos valores de WebExceptionStatus.
Exemplos
O exemplo a seguir verifica a Status propriedade e imprime no console o StatusCode e StatusDescription da instância subjacente HttpWebResponse .
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
Comentários
A Status propriedade indica o motivo do WebException.
O valor de Status é um dos WebExceptionStatus valores.
Aviso
O ProxyNameResolutionFailure erro não é retornado aos aplicativos da Windows 8.x Store.