I have trying to find the way to use EFCachingProvider from Tracing and Caching Provider Wrappers for Entity Framework with Entity Framework and DbContext. I use EF 4.x DbContext Generator for c# to generate model classes. I've already added references to EFProviderWrapperToolkit, EFCachingProvider, EFTracingProvider. I also made changes in my web.config file to :
<connectionStrings>
<add name="MyEntities" connectionString="Server=myServer;Database=MyDB;User ID=User;Password=pass;Trusted_Connection=False;Encrypt=True;Connection Timeout=30;" providerName="EFTracingProvider" />
</connectionStrings>
<system.data>
<DbProviderFactories>
<add name="EF Caching Data Provider" invariant="EFCachingProvider" description="Caching Provider Wrapper" type="EFCachingProvider.EFCachingProviderFactory, EFCachingProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=def642f226e0e59b" />
<add name="EF Tracing Data Provider" invariant="EFTracingProvider" description="Tracing Provider Wrapper" type="EFTracingProvider.EFTracingProviderFactory, EFTracingProvider, Version=1.0.0.0, Culture=neutral, PublicKeyToken=def642f226e0e59b" />
<add name="EF Generic Provider Wrapper" invariant="EFProviderWrapper" description="Generic Provider Wrapper" type="EFProviderWrapperToolkit.EFProviderWrapperFactory, EFProviderWrapperToolkit, Version=1.0.0.0, Culture=neutral, PublicKeyToken=def642f226e0e59b" />
</DbProviderFactories>
</system.data>
But when app start, it throws an error in DbConnectionWrapper from EFProviderWrapperToolkit in line:
DbProviderFactory factory = DbProviderFactories.GetFactory(providerInvariantName);
This is class which inherits from DbContext:
public class MyEntities : DbContext
{
public MyEntities()
: base("MyEntities")
{
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Conventions.Remove<IncludeMetadataConvention>();
modelBuilder.Entity<Product>().ToTable("Product");
modelBuilder.Entity<ProductPhoto>().ToTable("ProductPhoto");
base.OnModelCreating(modelBuilder);
}
public DbSet<Product> Product { get; set; }
public DbSet<ProductPhoto> ProductPhoto { get; set; }
}
I've already read post: USING TRACING AND CACHING PROVIDER WRAPPERS WITH CODEFIRST, but it didn't solve my problem.
Does anyone know how to do it ?