A lazy way to avoid this is to always rename the xap file each version.
Alternatively, In IIS you can specify the no-cache header for the xap file,
however that means that it is always downloaded even when you would prefer
the user gets a cached one (from either their browser cache, asp.net cache,
or proxy caches etc along the way).
Another way which I am pretty sure works but I haven't used for a while, is
to add a dummy param to your silverlight object in html / aspx eg :
Everytime you release a new version, change ver= to a new value, which will
prevent caching issues.
On , Stephen Price wrote:
hehe, re-read your email and you did say it was SL4 app, so yeah, its
probably what I said. :)
On Thu, Sep 8, 2011 at 1:09 PM, Stephen Price step...@littlevoices.com>
wrote:
sounds like it may be the client machine caching the xap file.
If that is your problem, if you clear the cache on the client machine and
it then downloads the new xap file then the fix for this (one I've used
anyway) is to append the modified date/time to the end of the url.
So basically when ever the xap file is updated then the browser will
think its been given a new url and so downloads it (and caches that new
one.). Same app, but different/unique url.
I'm assuming its a Silverlight app, given you've posted it here. :)
if you can't find example code of appending the modified date let me
know, I've got it kicking around somewhere at home. I'm sure its out
there tho.
cheers,
Stephen
On Thu, Sep 8, 2011 at 11:46 AM, Greg Keogh g...@mira.net> wrote:
Folks, I have this random problem where I xcopy deploy all of my app
files over to my Win2008 server box and the updated SL4 app doesn't
appear, I get the previous version.
I have spent hours over the previous months trying to figure this problem
out. I restart IIS, I even reboot, I delete the 'Temporary ASP.NET Files'
folders and I do a voodoo dance, but nothing will make the new app
appear. Sometimes after another wasted half hour of stuffing around it
suddenly comes good. But as is the new tradition of software development:
I don't know what went wrong and I don't know what goes right.
Anyone else suffered this and sorted it out? Greg
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