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HomeHomeGetting StartedGetting StartedNew to DNN Plat...New to DNN Plat...Clearing site cache programatically (C#)Clearing site cache programatically (C#)
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6/4/2012 7:22 PM
 
Mark Hollas

www.cambridgeeikaiwaschool.com
Joined: 1/28/2006
Posts: 336

Hi,

I need to write a shim for a module while I wait for a response from the developer. There is a small issue with new users and how they interact with a specific module, I won't go into details, which goes away permanently once the site cache has been cleared once. So what I was hoping to do was clear the cache when a user hits the 'update' button they have to click anyways. 

My question is. How would I write this? Something that does exactly what the Host tool for clearing cache in DNN 6x does.

Cheers for the hlep

Mark
 
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6/4/2012 7:40 PM
 
cathal connolly


cathal connolly's Avatar

www.cathal.co.uk
Joined: 4/9/2003
Posts: 9676
You can use Config.Touch() (from DotNetNuke.Common.Utilities.Config) to force a full app recycle - however it's better to use the DataCache class to remove the specific element(s) - it has a number of Clear* methods that allow granular expiry e.g. DataCache.ClearPortalCache(PortalId, true) , DataCache.ClearModuleCache(TabId) etc. You can also use it's Remove methods and pass in particular cache keys
Buy the new Professional DNN7: Open Source .NET CMS Platform book Amazon US
 
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6/4/2012 9:26 PM
 
Mark Hollas

www.cambridgeeikaiwaschool.com
Joined: 1/28/2006
Posts: 336
Thanks

That was helpful. I could not use your suggested methods due to my references so I ended with this.

DataCache.RemoveCache(CStr(PortalId))

however it does not seem to do the same as a host tool cache clear would do.

any thoughts?
 
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6/5/2012 12:43 AM
 
Mark Hollas

www.cambridgeeikaiwaschool.com
Joined: 1/28/2006
Posts: 336
Config.Touch() worked! thanks
 
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2/15/2014 4:15 PM
 
Edgar Arroyo


Joined: 2/15/2014
Posts: 1

I know this is kinda old but I am on the same situation where I need to clear cache after updating something so I need to clear cache.  (like TOOLS / CLEAR CACHE) does but without restarting the application.  Is restarting the application like an app pool recycle or like a website restart?  If so, could that cause issues with modules that use sessions?  I tried the 2 above mentioned methods (clear and remove cache) but neither worked.  Anybody have any recommendations?

 

Thanks!

 
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