HttpCachePolicy::SetMaxAge Method
Sets the Cache-Control: max-age HTTP header based on the specified time span.
Assembly: System.Web (in System.Web.dll)
Parameters
- delta
- Type: System::TimeSpan
The time span used to set the Cache - Control: max-age header.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | delta is less than 0 or greater than one year. |
Max-age is the maximum absolute time a document is allowed to exist before being considered stale.
The SetMaxAge method does not use sliding expiration and will fail if the expiration date violates the principle of restrictiveness.
SetMaxAge is introduced in the .NET Framework version 3.5. For more information, see .NET Framework 3.5 Architecture.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.