HttpWebResponse::LastModified Property

.NET Framework (current version)

Gets the last date and time that the contents of the response were modified.

Namespace: System.Net
Assembly: System (in System.dll)

Syntax

public:
property DateTime LastModified {
	DateTime get();
}

Property Value

Type: System::DateTime

A DateTime that contains the date and time that the contents of the response were modified.

Exceptions

Exception	Condition
ObjectDisposedException	The current instance has been disposed.

Remarks

The LastModified property contains the value of the Last-Modified header received with the response. The date and time are assumed to be local time.

Examples

This example creates an HttpWebRequest and queries for a response. This example then checks whether the entity requested had been modified any time today.

C++

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();

Version Information

.NET Framework
Available since 1.1