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219

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2
Q: 

Run ASP.NET MVC Preview 3 (or 4 or 5) and MVC Beta simultaneously

Hi,

I just recently installed the MVC beta. However, I assumed because the versioning numbers have changed and because it now uses the GAC instead of the bin folder that it wouldn't break existing applications.

However, it has.

What steps do I need to follow to ensure my existing preview 3 applications use a bin copy of the .dlls and are not broken by the installation of the beta?

+3  A: 

ASP.NET MVC beta is also bin-deployable, Move the following DLL's from GAC to the bin folder of your app

* System.Web.Mvc
* System.Web.Routing
* System.Web.Abstractions

Check this article for more information

Raj  2008-11-06 06:17:58
Thanks, I was aware it was bin-deployable, just didn't realise bin deployment and GAC were exclusive.
Graphain  2008-11-06 21:39:50
See Brad Wilson's post too for more info. The link you posted had a useful comment.
Graphain  2008-11-11 00:00:09
+2  A: 

You'll need to force uninstall (gacutil /u /f System.Web.Mvc) the Beta DLL from the GAC, and then use bin deployment for all versions (including the beta).

Brad Wilson  2008-11-06 06:37:50
Thanks, I was aware it was bin-deployable, just didn't realise bin deployment and GAC were exclusive. Interestingly, phil haack mentions that gacutil wasn't suitable in the link rajlogs posted.
Graphain  2008-11-06 21:41:13
Unless /f overrides that problem :-)
Graphain  2008-11-06 21:41:59
You can use a newer version from bin, but not an older one, and all the pre-beta versions were 0.0 whereas the beta is 1.0, so the presence of 1.0 in the GAC invalidates the 0.0 in bin.
Brad Wilson  2008-11-09 01:43:03
Thanks - I wish I could spend some rep or something to vote this as accepted answer too because that little comment answered my question - just feel bad taking the accepted answer from a low rep :-)
Graphain  2008-11-10 23:03:56
Hmm gacutil doesn't work for the reasons outlined in the link rajlogs posted, so I'll have to uninstall MVC, but then I'll lose templates and stuff won't I?
Graphain  2008-11-10 23:16:49
Hmm, the project type is not supported error if uninstall MVC...
Graphain  2008-11-10 23:20:45
http://dylanbeattie.blogspot.com/2008/11/working-on-aspnet-mvc-beta-and-preview.html is helpful.
Graphain  2008-11-10 23:23:04

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