Joerg Jooss wrote:
> Francis wrote:
>
>
>>Hi everyone,
>> I have a page that is being requested from an http handler in the
>>web.config file. I am trying to get this to cache so it just executes
>>the code every half hour. I have tried programatically, but it
>>doesn't seem to work at all, I tried with the following simple code:
>>
>>context.Response.Write( DateTime.Now );
>>context.Response.Cache.SetExpires(DateTime.Now.AddSeconds(60));
>>context.Response.Cache.SetSlidingExpiration(true);
>>context.Response.Cache.SetCacheability(HttpCacheability.Public);
>>context.Response.Cache.SetValidUntilExpires(true);
>
>
> Two remarks:
>
> -- This keeps your response only fresh for 60 seconds -- but you wanted
> 30 minutes?
>
> -- It's better to use SetMaxAge(), as it specifies freshness in
> relative time instead of absolute as SetExpires() does (unless you're
> serving to HTTP 1.0 clients, which don't understand max-age).
>
>
>>Every time the page is executed, the date updates regardless. I have
>>tried writing the date at the bottom of this code too, just in case.
>
>
> That's weird; if I put your code in a simple web form, it is cached for
> 60 seconds as expected. Are you sure that the client isn't the culprit?
>