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What is Entity Framework ..? Please give me How and Why answer about it's use in MVC4 application.
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here you can an explication about entity framework and how it's used in your project.

http://msdn.microsoft.com/en-us/data/ee712907[^]

basically entity framework allows you to access(CRUD) your db in a very easy way, you should use it in a WCF application and let that connect to your MVC application
 
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Zoltán Zörgő 16-May-13 9:05am    
If there is no need to an other (remote) access to the business logic, there is no need to use any wcf or other communication layer. It would be an unnecessary overhead. And the position of such a service would be above the business logic layer and not directly above the EF, which is just a data access component in the architecture.

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