Go to references section in your project
- Right click it and than go add library package reference.
- search in online tab for entity framework
- you will get a lot of installed packages if u have internet connection enabled
- Select EF4 package, and finally, add it
If you have any entity frame work installed and you are getting an error then click for add reference and in Browse tab go to below location:
C:\Program Files\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0
Select to find System.Data.Entity.dll and then add it.
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