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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"));
    

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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