EntityFramework.SqlServer.dll not is getting added to the published folder only when I publish in RELEASE mode

c# entity-framework-6

Question

I know there is a problem with EF6 EntityFramework.SqlServer and included var type = typeof(System.Data.Entity.SqlServer.SqlProviderServices); in context constructor. It works fine when i do publish in DEBUG mode.

Getting the below error only when I publish in RELEASE mode. The reason is EntityFramework.SqlServer.dll missing in the published folder. But, bin folder has EntityFramework.SqlServer.dll for both debug and release mode.

Error:

The Entity Framework provider type 'System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer' registered in the application config file for the ADO.NET provider with invariant name 'System.Data.SqlClient' could not be loaded. Make sure that the assembly-qualified name is used and that the assembly is available to the running application.

Why is it missing only when I publish using RELEASE mode?

1
10
8/22/2014 3:08:09 AM

Popular Answer

Don't know why; but adding this method to your context will make your project copy the dll

private void FixEfProviderServicesProblem()
        {
            // The Entity Framework provider type 'System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer'
            // for the 'System.Data.SqlClient' ADO.NET provider could not be loaded. 
            // Make sure the provider assembly is available to the running application. 
            // See http://go.microsoft.com/fwlink/?LinkId=260882 for more information.
            var instance = System.Data.Entity.SqlServer.SqlProviderServices.Instance;
        }

Tested and working Reference: Entity Framework Provider type could not be loaded?

26
5/23/2017 11:54:31 AM


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