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BOOK: Beginning ASP.NET 4.5 : in C# and VB
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Old February 4th, 2018, 03:51 PM
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Unhappy Problem with WSAT Chapter 16

TRY IT OUT: Using the WSAT to Manage User Accounts and Roles
Step 5
When I click Security the followin message appears
There is a problem with your selected data store. This can be caused by an invalid server name or credentials, or by insufficient permission. It can also be caused by the role manager feature not being enabled. Click the button below to be redirected to a page where you can choose a new data store.

The following message may help in diagnosing the problem: Type is not resolved for member 'System.Data.Entity.Core.ProviderIncompatibleExcep tion,EntityFramework, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

Win10,VSE 2013 for WEB,SQL 2012 express.
I would appreciate your help . I have badly stuck at this point!
Old February 5th, 2018, 03:53 AM
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Here are some links that may be helpful:


It sounds like you're using a more recent version of VS and Entity Framework which may be causing some issues. The links above may have some pointers that will help you figure out what's going on.


Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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Old September 8th, 2018, 03:30 AM
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Thanks for the solution Imar. I also had the same question.

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Last edited by BrianG1; September 9th, 2018 at 03:27 AM..

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