Hi there,
I'm using VWD 2010 IIS 7.0 on Vista x64 Business edition and SQL Server 2008 Dev.

When I browse through chapter 7 I'm getting error that says:


Server Error in '/Chapter 07' Application.

Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Could not load type 'System.Data.Entity.Design.AspNet.EntityDesignerBu ildProvider'.

Source Error:

Line 21: </codeSubDirectories>Line 22: <buildProviders>Line 23: <add extension=".edmx" type="System.Data.Entity.Design.AspNet.EntityDesig nerBuildProvider" />Line 24: </buildProviders>Line 25: </compilation>
Source File: C:\inetpub\wwwroot\Chapter 07\web.config Line: 23


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1

How do I solve this issue

Thanks,
Oded Dror

Looks like a configuration error to me, where the config file contains older information. Try this:

1. Remove the offending elements from the config file

2. Remove the references to the Entity Framework assemblies from the config file

3. Add a new Entity Model to your project and complete the wizard

At this stage, VS has updated the config file with the necessary information. You can now remove your new model and work wth the existing one.

Hope this helps,

Imar

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Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
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