RE: [ASP] Help...Temporary files (.jpg)

[Shawn K. Hall]

Hi bjufri,

> I have a problem with my intranet system.
> how to handle if users access my intranet system,
> the system don't make a temporary file in internet
> temporary file folder in their computer.

That's not possible. In order for a file to be displayed in the
browser it has to be downloaded to your computer to a local cache of
what the file/resource on the Internet represents. It is stored in
temporary internet files in IE and in other folders based on the
other browsers settings. You can 'request' the browser destroy the
file after it is no longer being used by sending no-cache headers to
the client, but these are only REQUESTS to the client, and can be
over-ridden or ignored by the client application.

Here's what I use at the top of all of my pages to request clients
do not cache the results after use:
  Response.Expires = -1
  Response.Expiresabsolute = Now() - 1
  Response.AddHeader       "pragma", "no-cache"
  Response.AddHeader       "cache-control", "private"
  Response.CacheControl    = "no-cache"

Regards,

Shawn K. Hall
http://ReliableAnswers.com/

'// ========================================================
   "Whenever the legislators endeavor to take away and
    destroy the property of the people, or to reduce them to
    slavery under arbitrary power, they put themselves into
    a state of war with the people, who are thereupon
    absolved from any further obedience."
        -- John Locke, 1690




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