HttpCachePolicy.SetLastModified Method (DateTime)


Sets the Last-Modified HTTP header to the DateTime value supplied.

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

public void SetLastModified(
	DateTime date


Type: System.DateTime

The new DateTime value for the Last-Modified header.

Exception Condition

date is later than the current DateTime.

The Last-Modified HTTP header time stamps the document with the DateTime value indicating when the document was last modified.

This method will fail if the caching restrictiveness hierarchy is violated.

SetLastModified 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 Last-Modified header to a new date.

Response.Cache.SetLastModified(DateTime.Parse("1/1/2001 00:00:01AM"));

.NET Framework
Available since 1.1
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