Difference between Response.Expires and Expires.Absolute

Alok Pandey

Hi,

What is difference between Response.Expires and Expires.Absolute ?

Thanks.

3 Replies

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Hi Alok,

Response.Expires specifies the length of the time.
Response.Expires.Absolute  specifies the time.


Thanks

Prabhu Raja15y ago
Hi,

Response.expires:
Sets the expiration date for the current page expressed as the number of minutes from the current time.

Usage
Sets the expiration date for the current page. The expiration date is used by a HTTP client to determine whether and how long the content of the page can be cached locally. This property is an integer value with its definition defined in the table below.

Value Description
> 0 The number of minutes from the current server time that the page content expires.
< 0 The content expires immediately
= 0 No content expiration is specified. This is generally interpreted by the client as the content expires immediately.

Response.expiresAbsolute:
Sets the expiration date for the current page to a specific date and time.

Usage
Sets the expiration date for the current page. The expiration date is used by a HTTP client to determine whether and how long the content of the page can be cached locally. This property is a date value that specifies the absolute date and time the page content expires. If this property is set to null then no expiration date is sent to the client.

// Page content expires on Jan. 1, 2006
Response.expiresAbsolute = new Date(2006, 0, 1);

// Clear the content expiration
Response.expiresAbsolute = null;
Javeed M Shaikh15y ago
Hi Alok,

Response.Expires
This property specifies the number of minutes before a page cached in the browser expires ie. if the user returns to the same page before the specified number of minutes the cached version of the page is displayed.
example: <% Response.Expires = minutes %>

Response.ExpiresAbsolute
Using this property we can set the date and/or time at which page cached in the browser expires.
example: <% Response.ExpiresAbsolute=#October 21, 2011 14:00:00# %>

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