Sets the Cache-Control: s-maxage HTTP header based on the specified time span.
Assembly: System.Web (in System.Web.dll)
Public Sub SetProxyMaxAge ( _ delta As TimeSpan _ )
public void SetProxyMaxAge( TimeSpan delta )
public: void SetProxyMaxAge( TimeSpan delta )
member SetProxyMaxAge : delta:TimeSpan -> unit
Parameters
- delta
- Type: System.TimeSpan
The time span used to set the Cache-Control: s-maxage header.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException |
delta is less than 0. |
The SetProxyMaxAge method does not use sliding expiration and will fail if the expiration date violates the principle of restrictiveness.
SetProxyMaxAge is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.
The following code example demonstrates how to set the Cache-Control: s-maxage header to 0 hours, 30 minutes, and 0 seconds.
Dim ts As New TimeSpan(0,30,0) Response.Cache.SetProxyMaxAge(ts)
TimeSpan ts = new TimeSpan(0,30,0);
Response.Cache.SetProxyMaxAge(ts);
.NET Framework
Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.