SetExpires Method

HttpCachePolicy.SetExpires Method

Sets the Expires HTTP header to an absolute date and time.

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

public void SetExpires(
	DateTime date
)

Parameters

date
Type: System.DateTime
The absolute DateTime value to set the Expires header to.

This method will fail if the expiration date violates the principle of restrictiveness.

TopicLocation
How to: Cache Versions of a Page Using ParametersBuilding ASP .NET Web Applications
How to: Cache Versions of a Page Using ParametersBuilding ASP .NET Web Applications

The following code example demonstrates how to set the expiration time to 6:00 P.M. local time on the current expiration day.


Response.Cache.SetExpires(DateTime.Parse("6:00:00PM"));
    


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 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.

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