HttpWebResponse.LastModified HttpWebResponse.LastModified HttpWebResponse.LastModified HttpWebResponse.LastModified Property

Definition

Ruft das Datum und die Uhrzeit der letzten Änderung des Inhalts der Antwort ab.Gets the last date and time that the contents of the response were modified.

public:
 property DateTime LastModified { DateTime get(); };
public DateTime LastModified { get; }
member this.LastModified : DateTime
Public ReadOnly Property LastModified As DateTime

Eigenschaftswert

Eine DateTime mit dem Datum und der Uhrzeit der Änderung des Inhalts der Antwort.A DateTime that contains the date and time that the contents of the response were modified.

Ausnahmen

Die aktuelle Instanz wurde verworfen.The current instance has been disposed.

Beispiele

In diesem Beispiel wird ein HttpWebRequest und Abfragen für eine Antwort.This example creates an HttpWebRequest and queries for a response. Dann wird geprüft, ob die angeforderte Entität heute geändert wurde.This example then checks whether the entity requested had been modified any time today.

Uri^ myUri = gcnew Uri( url );
// Creates an HttpWebRequest for the specified URL.
HttpWebRequest^ myHttpWebRequest = (HttpWebRequest^)( WebRequest::Create( myUri ) );
HttpWebResponse^ myHttpWebResponse = (HttpWebResponse^)( myHttpWebRequest->GetResponse() );
if ( myHttpWebResponse->StatusCode == HttpStatusCode::OK )
{
   Console::WriteLine( "\r\nRequest succeeded and the requested information is in the response , Description : {0}",
      myHttpWebResponse->StatusDescription );
}
DateTime today = DateTime::Now;
// Uses the LastModified property to compare with today's date.
if ( DateTime::Compare( today, myHttpWebResponse->LastModified ) == 0 )
{
   Console::WriteLine( "\nThe requested URI entity was modified today" );
}      
else if ( DateTime::Compare( today, myHttpWebResponse->LastModified ) == 1 )
{
   Console::WriteLine( "\nThe requested URI was last modified on: {0}",
      myHttpWebResponse->LastModified );
}
// Releases the resources of the response.
myHttpWebResponse->Close();
        Uri myUri = new Uri(url);
// Creates an HttpWebRequest for the specified URL. 
HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(myUri); 
HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
if (myHttpWebResponse.StatusCode == HttpStatusCode.OK)
	Console.WriteLine("\r\nRequest succeeded and the requested information is in the response , Description : {0}",
						myHttpWebResponse.StatusDescription);
DateTime today = DateTime.Now;
// Uses the LastModified property to compare with today's date.
if (DateTime.Compare(today,myHttpWebResponse.LastModified) == 0)
	Console.WriteLine("\nThe requested URI entity was modified today");
else
	if (DateTime.Compare(today,myHttpWebResponse.LastModified) == 1)
		Console.WriteLine("\nThe requested URI was last modified on:{0}",
							myHttpWebResponse.LastModified);
// Releases the resources of the response.
myHttpWebResponse.Close(); 
Dim myUri As New Uri(url)
' Creates an HttpWebRequest for the specified URL.
Dim myHttpWebRequest As HttpWebRequest = CType(WebRequest.Create(myUri), HttpWebRequest)
Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)
If myHttpWebResponse.StatusCode = HttpStatusCode.OK Then
    Console.WriteLine(ControlChars.Lf + ControlChars.Cr + "Request succeeded and the requested information is in the response , Description : {0}", myHttpWebResponse.StatusDescription)
End If
Dim today As DateTime = DateTime.Now
' Uses the LastModified property to compare with today's date.
If DateTime.Compare(today, myHttpWebResponse.LastModified) = 0 Then
    Console.WriteLine(ControlChars.Cr + "The requested URI entity was modified today")
Else
    If DateTime.Compare(today, myHttpWebResponse.LastModified) =  1 Then
        Console.WriteLine(ControlChars.Cr + "The requested Uri was last modified on:{0}", myHttpWebResponse.LastModified)
    End If
End If
' Releases the resources of the response.
myHttpWebResponse.Close()

Hinweise

Die LastModified Eigenschaft enthält den Wert des Last-Modified-Headers, der mit der Antwort empfangen.The LastModified property contains the value of the Last-Modified header received with the response. Datum und Uhrzeit werden als um lokale Zeit zu werden.The date and time are assumed to be local time.

Gilt für: