WebHeaderCollection.Remove Yöntem

Tanım

Ad Alanı:

System.Net

Bütünleştirilmiş Kod:

System.Net.WebHeaderCollection.dll

Belirtilen üst bilgiyi koleksiyondan kaldırır.

Aşırı Yüklemeler

Remove(HttpRequestHeader)	Belirtilen üst bilgiyi koleksiyondan kaldırır.
Remove(HttpResponseHeader)	Belirtilen üst bilgiyi koleksiyondan kaldırır.
Remove(String)	Belirtilen üst bilgiyi koleksiyondan kaldırır.

Remove(HttpRequestHeader)

Kaynak:

WebHeaderCollection.cs

Belirtilen üst bilgiyi koleksiyondan kaldırır.

public:
 void Remove(System::Net::HttpRequestHeader header);

public void Remove (System.Net.HttpRequestHeader header);

override this.Remove : System.Net.HttpRequestHeader -> unit

Public Sub Remove (header As HttpRequestHeader)

Parametreler

header

HttpRequestHeader

HttpRequestHeader Koleksiyondan kaldırılacak örnek.

Özel durumlar

InvalidOperationException

Bu WebHeaderCollection örnek örneklerine HttpRequestHeaderizin vermez.

Açıklamalar

Remove belirtilen üst bilgiyi koleksiyondan siler. Belirtilen üst bilgi yoksa, yöntemi hiçbir şey yapmaz.

Remove(HttpResponseHeader)

Kaynak:

WebHeaderCollection.cs

Belirtilen üst bilgiyi koleksiyondan kaldırır.

public:
 void Remove(System::Net::HttpResponseHeader header);

public void Remove (System.Net.HttpResponseHeader header);

override this.Remove : System.Net.HttpResponseHeader -> unit

Public Sub Remove (header As HttpResponseHeader)

Parametreler

header

HttpResponseHeader

HttpResponseHeader Koleksiyondan kaldırılacak örnek.

Özel durumlar

InvalidOperationException

Bu WebHeaderCollection örnek örneklerine HttpResponseHeaderizin vermez.

Açıklamalar

Remove belirtilen üst bilgiyi koleksiyondan siler. Belirtilen üst bilgi yoksa, yöntemi hiçbir şey yapmaz.

Remove(String)

Kaynak:

WebHeaderCollection.cs

Belirtilen üst bilgiyi koleksiyondan kaldırır.

public:
 override void Remove(System::String ^ name);

public override void Remove (string name);

override this.Remove : string -> unit

Public Overrides Sub Remove (name As String)

Parametreler

name

String

Koleksiyondan kaldırılacak üst bilginin adı.

Özel durumlar

ArgumentNullException

name şeklindedir nullEmpty.

ArgumentException

name kısıtlı bir üst bilgidir.

-veya-

name geçersiz karakterler içeriyor.

Örnekler

Aşağıdaki örnek, Remove bir üst bilgiyi 'den WebHeaderCollectionkaldırmak için yöntemini kullanır. Üst bilgi kaldırıldıktan sonra, bu örnek kaldırıldığını kanıtlamak için var olan tüm üst bilgileri ekrana yazdırır.

try
{
   // Create a web request for S"www.msn.com".
   HttpWebRequest^ myHttpWebRequest = dynamic_cast<HttpWebRequest^>(WebRequest::Create( "http://www.msn.com" ));

   // Get the headers associated with the request.
   WebHeaderCollection^ myWebHeaderCollection = myHttpWebRequest->Headers;

   // Set the Cache-Control header.
   myWebHeaderCollection->Set( "Cache-Control", "no-cache" );

   // Get the associated response for the above request.
   HttpWebResponse^ myHttpWebResponse = dynamic_cast<HttpWebResponse^>(myHttpWebRequest->GetResponse());

   // Print the headers of the request to console.
   Console::WriteLine( "Print request headers after adding Cache-Control for first request:" );
   printHeaders( myHttpWebRequest->Headers );

   // Remove the Cache-Control header for the new request.
   myWebHeaderCollection->Remove( "Cache-Control" );

   // Get the response for the new request.
   myHttpWebResponse = dynamic_cast<HttpWebResponse^>(myHttpWebRequest->GetResponse());

   // Print the headers of the new request with->Item[Out] the* Cache-Control header.
   Console::WriteLine( "Print request headers after removing Cache-Control for the new request:" );
   printHeaders( myHttpWebRequest->Headers );
   myHttpWebResponse->Close();
}
// Catch exception if trying to remove a restricted header.
catch ( ArgumentException^ e ) 
{
   Console::WriteLine( "Error : Trying to remove a restricted header" );
   Console::WriteLine( "ArgumentException is thrown. Message is : {0}", e->Message );
}
catch ( WebException^ e ) 
{
   Console::WriteLine( "WebException is thrown. Message is : {0}", e->Message );
   if ( e->Status == WebExceptionStatus::ProtocolError )
   {
      Console::WriteLine( "Status Code : {0}", (dynamic_cast<HttpWebResponse^>(e->Response))->StatusCode );
      Console::WriteLine( "Status Description : {0}", (dynamic_cast<HttpWebResponse^>(e->Response))->StatusDescription );
      Console::WriteLine( "Server : {0}", (dynamic_cast<HttpWebResponse^>(e->Response))->Server );
   }
}
catch ( Exception^ e ) 
{
   Console::WriteLine( "Exception is thrown. Message is : {0}", e->Message );
}

try {
    // Create a web request for "www.msn.com".
    HttpWebRequest myHttpWebRequest = (HttpWebRequest) WebRequest.Create("http://www.msn.com");

    // Get the headers associated with the request.
    WebHeaderCollection myWebHeaderCollection = myHttpWebRequest.Headers;

    // Set the Cache-Control header.
    myWebHeaderCollection.Set("Cache-Control", "no-cache");

    // Get the associated response for the above request.
    HttpWebResponse myHttpWebResponse = (HttpWebResponse) myHttpWebRequest.GetResponse();

    // Print the headers of the request to console.
    Console.WriteLine("Print request headers after adding Cache-Control for first request:");
    printHeaders(myHttpWebRequest.Headers);

    // Remove the Cache-Control header for the new request.
    myWebHeaderCollection.Remove("Cache-Control");

    // Get the response for the new request.
    myHttpWebResponse = (HttpWebResponse) myHttpWebRequest.GetResponse();

    // Print the headers of the new request without the Cache-Control header.
    Console.WriteLine("Print request headers after removing Cache-Control for the new request:");
    printHeaders(myHttpWebRequest.Headers);
    myHttpWebResponse.Close();
}
// Catch exception if trying to remove a restricted header.
catch(ArgumentException e) {
    Console.WriteLine("Error : Trying to remove a restricted header");
    Console.WriteLine("ArgumentException is thrown. Message is :" + e.Message);
}
catch(WebException e) {
    Console.WriteLine("WebException is thrown. Message is :" + 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);
        Console.WriteLine("Server : {0}", ((HttpWebResponse)e.Response).Server);
    }
}
catch(Exception e) {
    Console.WriteLine("Exception is thrown. Message is :" + e.Message);
}

Public Shared Sub Main()
  Try
        'Create a web request for "www.msn.com".
        Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create("http://www.msn.com"), HttpWebRequest)
        
        'Get the headers associated with the request.
        Dim myWebHeaderCollection As WebHeaderCollection = myHttpWebRequest.Headers
        
        'Set the Cache-Control header.
        myWebHeaderCollection.Set("Cache-Control", "no-cache")
        
        'Get the associated response for the above request.
        Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
        
        'Print the headers of the request to console.
        Console.WriteLine("Print request headers after adding Cache-Control for first request")
        printHeaders(myHttpWebRequest.Headers)
        
   
        'Remove the Cache-Control header for the new request.
        myWebHeaderCollection.Remove("Cache-Control")
        
        'Code example for "Remove" method of "WebHeaderCollection" ends here.
        'Get the response for the new request.
        myHttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
        
        'Print the headers of the new request without the Cache-Control header.
        Console.WriteLine("Print request headers after removing Cache-Control for the new request")
        printHeaders(myHttpWebRequest.Headers)
        myHttpWebResponse.Close()
    'Catch exception if trying to remove a restricted header.
    Catch e As ArgumentException
        Console.WriteLine("Error : Trying to remove a restricted header")
        Console.WriteLine(e.Message)
    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)
            Console.WriteLine("Server : {0}", CType(e.Response, HttpWebResponse).Server)
        End If
    Catch e As Exception
        Console.WriteLine(e.Message)
    End Try

End Sub

Açıklamalar

Remove belirtilen üst bilgiyi koleksiyondan siler. Belirtilen üst bilgi yoksa yöntemi döndürür.