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BOOK: Beginning ASP.NET 4.5 : in C# and VB
This is the forum to discuss the Wrox book Beginning ASP.NET 4.5: in C# and VB by Imar Spaanjaars; ISBN: 978-1-118-31180-6
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Old August 17th, 2013, 05:41 PM
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Default Very urgent please, ADO.NET problem

Whenever I try to create the ADO.NET Entity Data Model in my PlanetWrox Site I get two errors:

Warning 1 :Compiling transformation: Variable 'errors' is passed by reference before it has been assigned a value. A null reference exception could result at runtime.

Warning 2 :Compiling transformation: Variable 'lazyLoadingAttributeValue' is passed by reference before it has been assigned a value. A null reference exception could result at runtime.

And also I get a "Bin" folder, and Packages.config file??

But the main thing is the first two warnings....

Thx
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Old August 18th, 2013, 07:33 AM
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>> And also I get a "Bin" folder, and Packages.config file??

This is by design. Packages comes from installing NuGet packages such as EF, and Bin is where .NET stores your assemblies.

And do you still get the compilation errors? How did you create the edmx model?

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
and Beginning ASP.NET 4 : in C# and VB.
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