HttpWebRequest.ProtocolVersion Eigenschaft

Definition

Ruft die für die Anforderung zu verwendende HTTP-Version ab oder legt diese fest.Gets or sets the version of HTTP to use for the request.

public:
 property Version ^ ProtocolVersion { Version ^ get(); void set(Version ^ value); };
public Version ProtocolVersion { get; set; }
member this.ProtocolVersion : Version with get, set
Public Property ProtocolVersion As Version

Eigenschaftswert

Die für die Anforderung zu verwendende HTTP-Version.The HTTP version to use for the request. Die Standardeinstellung ist Version11.The default is Version11.

Ausnahmen

Die HTTP-Version wird auf einen anderen Wert als 1.0 oder 1.1 festgelegt.The HTTP version is set to a value other than 1.0 or 1.1.

Beispiele

Im folgenden Codebeispiel wird die ProtocolVersion-Eigenschaft festgelegt.The following code example sets the ProtocolVersion Property.

// Create a new 'HttpWebRequest' Object to the mentioned URL.
HttpWebRequest^ myHttpWebRequest = (HttpWebRequest^)( WebRequest::Create( "http://www.microsoft.com" ) );
// Use the existing 'ProtocolVersion' , and display it onto the console.
Console::WriteLine( "\nThe 'ProtocolVersion' of the protocol used is {0}", myHttpWebRequest->ProtocolVersion );
// Set the 'ProtocolVersion' property of the 'HttpWebRequest' to 'Version1::0' .
myHttpWebRequest->ProtocolVersion = HttpVersion::Version10;
// Assign the response object of 'HttpWebRequest' to a 'HttpWebResponse' variable.
HttpWebResponse^ myHttpWebResponse = (HttpWebResponse^)( myHttpWebRequest->GetResponse() );
Console::WriteLine( "\nThe 'ProtocolVersion' of the protocol changed to {0}", myHttpWebRequest->ProtocolVersion );
Console::WriteLine( "\nThe protocol version of the response Object* is {0}", myHttpWebResponse->ProtocolVersion );
// Create a new 'HttpWebRequest' Object to the mentioned URL.
HttpWebRequest myHttpWebRequest=(HttpWebRequest)WebRequest.Create("http://www.microsoft.com");
// Use the existing 'ProtocolVersion' , and display it onto the console.	
Console.WriteLine("\nThe 'ProtocolVersion' of the protocol used is {0}",myHttpWebRequest.ProtocolVersion);
// Set the 'ProtocolVersion' property of the 'HttpWebRequest' to 'Version1.0' .
myHttpWebRequest.ProtocolVersion=HttpVersion.Version10;
 // Assign the response object of 'HttpWebRequest' to a 'HttpWebResponse' variable.
 HttpWebResponse myHttpWebResponse=(HttpWebResponse)myHttpWebRequest.GetResponse();
Console.WriteLine("\nThe 'ProtocolVersion' of the protocol changed to {0}",myHttpWebRequest.ProtocolVersion);
Console.WriteLine("\nThe protocol version of the response object is {0}",myHttpWebResponse.ProtocolVersion);
' Create a new 'HttpWebRequest' Object to the mentioned URL.
Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create("http://www.microsoft.com"), HttpWebRequest)
' Use the existing 'ProtocolVersion' , and display it onto the console.	
Console.WriteLine(ControlChars.Cr + "The 'ProtocolVersion' of the protocol used is {0}", myHttpWebRequest.ProtocolVersion)
' Set the 'ProtocolVersion' property of the 'HttpWebRequest' to 'Version1.0' .
myHttpWebRequest.ProtocolVersion = HttpVersion.Version10
'  Assign the response object of 'HttpWebRequest' to a 'HttpWebResponse' variable.
Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
Console.WriteLine(ControlChars.Cr + "The 'ProtocolVersion' of the protocol changed to {0}", myHttpWebRequest.ProtocolVersion)
Console.WriteLine(ControlChars.Cr + "The protocol version of the response object is {0}", myHttpWebResponse.ProtocolVersion)

Hinweise

Die HttpWebRequest-Klasse unterstützt nur die Versionen 1,0 und 1,1 von http.The HttpWebRequest class supports only versions 1.0 and 1.1 of HTTP. Wenn ProtocolVersion auf eine andere Version festgelegt wird, wird eine Ausnahme ausgelöst.Setting ProtocolVersion to a different version throws an exception.

Hinweis

Um die HTTP-Version der aktuellen Anforderung festzulegen, verwenden Sie die Felder Version10 und Version11 der HttpVersion-Klasse.To set the HTTP version of the current request, use the Version10 and Version11 fields of the HttpVersion class.

Gilt für: