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Editorial Team
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Asked: 2026-06-09T14:28:50+00:00

I am following the ASP.NET MVC 3 Music store application tutorial but I keep

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I am following the ASP.NET MVC 3 Music store application tutorial but I keep getting stuck in part 4: http://www.asp.net/mvc/tutorials/mvc-music-store-part-4. It keeps telling me that I do not have the SQL data provider installed:

Exact error:

System.ArgumentException was unhandled by user code
  Message=Unable to find the requested .Net Framework Data Provider.  It may not be installed.
  Source=System.Data
  StackTrace:
       at System.Data.Common.DbProviderFactories.GetFactory(String providerInvariantName)
       at System.Data.Entity.Internal.LazyInternalConnection.TryInitializeFromAppConfig(String name)
       at System.Data.Entity.Internal.LazyInternalConnection.Initialize()
       at System.Data.Entity.Internal.LazyInternalConnection.get_ConnectionHasModel()
       at System.Data.Entity.Internal.LazyInternalContext.InitializeContext()
       at System.Data.Entity.Internal.InternalContext.Initialize()
       at System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType)
       at System.Data.Entity.Internal.Linq.InternalSet`1.Initialize()
       at System.Data.Entity.Internal.Linq.InternalSet`1.GetEnumerator()
       at System.Data.Entity.Infrastructure.DbQuery`1.System.Collections.Generic.IEnumerable<TResult>.GetEnumerator()
       at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
       at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
       at MusicApplication.Controllers.StoreController.Index() in C:\Users\Michelle\documents\visual studio 2010\Projects\MusicApplication\MusicApplication\Controllers\StoreController.cs:line 18
       at lambda_method(Closure , ControllerBase , Object[] )
       at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
       at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
       at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
       at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12()
       at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
  InnerException:

I have added the reference to System.Data.SqlServerCe – still have the same error. Any guidance would be really appreciated

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1 Answer

  1. Editorial Team

    I was able to solve a problem similar to this in Visual Studio 2010 by using NuGet.

    Go to Tools > Library Package Manager > Manage NuGet Packages For Solution…

    In the dialog, search for “EntityFramework.SqlServerCompact”. You’ll find a package with the description “Allows SQL Server Compact 4.0 to be used with Entity Framework.” Install this package.

    An element similar to the following will be inserted in your web.config:

    <entityFramework>
  <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlCeConnectionFactory, EntityFramework">
    <parameters>
      <parameter value="System.Data.SqlServerCe.4.0" />
    </parameters>
  </defaultConnectionFactory>
</entityFramework>
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