.net - Using Two Versions Of The Same Assembly (system.web.mvc) At The Same Time?
May 13, 2010
I'm using a content management system whose admin interface uses MVC 1.0. I would like to build the public parts of the site using MVC 2.
If I just reference System.Web.Mvc version 2 in my project the admin mode doesn't work as the reference to System.Web.Mvc.ViewPage created by the views in the admin interface is ambiguous:
The type 'System.Web.Mvc.ViewPage' is ambiguous: it could come from assembly 'C:WindowsassemblyGAC_MSILSystem.Web.Mvc2.0.0.0__31bf3856ad364e35System.Web.Mvc.dll' or from assembly 'C:WindowsassemblyGAC_MSILSystem.Web.Mvc1.0.0.0__31bf3856ad364e35System.Web.Mvc.dll'. Please specify the assembly explicitly in the type name.
I could easily work around this by using binding redirects to specify that MVC 2 should always be used. Unfortunately the content management systems admin mode isn't compatible with MVC 2. I'm not exactly sure why, but I start getting a bunch of null reference exceptions in some of it's actions when I try it and the developers of the CMS have confirmed that it isn't compatible with MVC 2 (yet).
The admin interface which is accessed through domain.com/admin is not physically located in webroot/admin but in the program files folder on the server and domain.com/admin is instead routed there using a virtual path provider. Therefor, putting a separate web.config file in the admin folder to specify a different version of System.Web.Mvc for that part of the site isn't an option as that won't fly when using shared hosting.
Perhaps it's possible to specify that for some assemblies a different version of a referenced assembly should be used?
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Source Error: [Code]....
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[Code]....
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Parser Error
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[Code]....
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