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Create a 3 day cache

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Roberto Randall View Drop Down
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    Posted: 24 June 2023 at 4:44pm
If I want to create a 3 day cache to put on a page, is this correct?

Response.Expires = 4320
Response.ExpiresAbsolute =  DateAdd("d", 3, Now())
Response.AddHeader "pragma","public"
Response.AddHeader "cache-control","public,max-age=259200"
Response.CacheControl = "public"


I am doing some tests for the images and I am not sure if this code is correct so that the page where I want to put it has a cache of 3 days.

Thank you.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WebWiz-Bruce Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2023 at 11:15am
This should work for the actual page itself, but for the images you will need to configure output caching through the websites web.config file.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Roberto Randall Quote  Post ReplyReply Direct Link To This Post Posted: 25 June 2023 at 12:42pm
Thanks for answering.

Searching the net I have read in Microsoft:


The Expires, ExpiresAbsolute and CacheControl properties have been deprecated in favor of the methods of the HttpCachePolicy class available through the Cache intrinsic object to control the Internet Information Services (IIS) output cache and client caches.


It is that I am doing tests with AspJpeg from Persits and I have created an asp page that changes the size of the image by means of a string (ej,. image.asp?width=230&file=myphoto.jpg) and for that reason I have to put the cache in the page, because I don't know if assigning a cache to a jpg via web.config will also do it to the results of this page.
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