Error while upgrading MVC4 project from VS2010 to VS2012

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.NET4.5

Hi,
I am facing below mentioned error. I have upgraded MVC4 project from VS2010 to VS2012. On local it is working fine but creates issue while running from server.

Could not load file or assembly 'EntityFramework, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

Posted 26-Jun-14 18:02pm

manak chand

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Sampath Lokuge · Answer 1 · 2014-06-26T21:29:00

It seems like some assemblies you are using still try to use 4.1 while the other EF5. Make sure you reference the same assembly everywhere. So, you need to update all the references to use EF5 and rebuild the project. :)

Check here for more info:Could not load file or assembly EntityFramework

Error while upgrading MVC4 project from VS2010 to VS2012

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Error while upgrading MVC4 project from VS2010 to VS2012

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