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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"));

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.

.NET Framework

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