HttpCachePolicy.SetProxyMaxAge Method (TimeSpan)


The .NET API Reference documentation has a new home. Visit the .NET API Browser on to see the new experience.

Sets the Cache-Control: s-maxage HTTP header based on the specified time span.

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

public void SetProxyMaxAge(
	TimeSpan delta


Type: System.TimeSpan

The time span used to set the Cache-Control: s-maxage header.

Exception Condition

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.

TimeSpan ts = new TimeSpan(0,30,0);

.NET Framework
Available since 1.1
Return to top