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POSQL Server Compact 4.0 private deployment with Entity Framework 6.0 and NuGet
 

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  1. POSQL Server Compact 4.0 private deployment with Entity Framework 6.0 and NuGet
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    <p>I have standardly setup WPF project with Entity Framework 6 and SQL Server Compact 4.0 installed. When I build my project all the necessary files for SQL Server CE deployment are correctly copied to the <code>Release</code> folder, including <code>System.Data.SqlServerCe.dll</code>.</p> <p>But running project on a machine without SQL Server Compact installed throws <code>System.IO.FileLoadException</code>.</p> <p>In my development environment is the <code>System.Data.SqlServerCe.dll</code> loaded from GAC. I have found this reference, where the version numbers of dlls are explained: <a href="http://technet.microsoft.com/en-us/library/gg213826.aspx" rel="nofollow">http://technet.microsoft.com/en-us/library/gg213826.aspx</a></p> <p>I supposed that the version of <code>System.Data.SqlServerCe.dll</code> assembly form NuGet is 4.0.0.0. </p> <p>So I have manually changed <code>System.Data.SqlServerCe.dll</code> reference in my project to 4.0.0.1 file form the Private folder and copied <code>System.Data.SqlServerCe.dll</code> 4.0.0.1 to the production machine. </p> <p>I have changed <code>app.config</code> like that:</p> <pre><code> &lt;system.data&gt; &lt;DbProviderFactories&gt; &lt;remove invariant="System.Data.SqlServerCe.4.0" /&gt; &lt;add name="Microsoft SQL Server Compact Data Provider 4.0" invariant="System.Data.SqlServerCe.4.0" description=".NET Framework Data Provider for Microsoft SQL Server Compact" type="System.Data.SqlServerCe.SqlCeProviderFactory, System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91"/&gt; &lt;/DbProviderFactories&gt; &lt;/system.data&gt; </code></pre> <p>Now I get this exception on development machine:</p> <blockquote> <p>The connection given is not of type 'SqlCeConnection'.</p> </blockquote> <p>On production machine I get <code>System.Data.Entity.Core.EntityException</code>.</p> <p>Is there any chance to get private deployment working with NuGet and EF 6? Or is it necessary to copy manually all the files in x86, amd64 folders? </p>
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    1. USVojtěch Dohnal
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    1. COYou need to install the EntityFramework.SqlServerCompact 6.0.1 package, whcih creates relevant settings in app.config. And you cannot use the 4.0.0.1 version, but must use 4.0.0.0 assembly version. I will create a new blog post the deals with EF6 and SQLCE 4 private deployment.
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      1. POSQL Server Compact 4.0 private deployment with Entity Framework 6.0 and NuGet
      1. USErikEJ
    2. COThank you very much for a quick response! That would be great. I have the mentioned package installed. I use Entity Framework reference both form Client and Model projects. Still I cannot understand why I get System.Data.Entity.Core.EntityException with 4.0.0.0 reference in app.config; and I cannot event see any further detail of the exception.
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      1. POSQL Server Compact 4.0 private deployment with Entity Framework 6.0 and NuGet
      1. USVojtěch Dohnal
    3. COMaybe you can use this blog post as inspiration: http://erikej.blogspot.dk/2013/10/sql-server-compact-4-desktop-app-with.html ?
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      1. POSQL Server Compact 4.0 private deployment with Entity Framework 6.0 and NuGet
      1. USErikEJ
 

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