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Editorial Team
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Asked: 2026-05-24T09:37:17+00:00

I’m trying to access my Oracle XE database using Visual C# Express and entity

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I’m trying to access my Oracle XE database using Visual C# Express and entity framework.

I’ve tried installing oracleef (http://oracleef.codeplex.com/) but I’m not getting Oracle EF provider inside Visual C# Express add EF connection wizard, although machine.config contains 

<DbProviderFactories>
  <add name="Oracle Data Provider for .NET" invariant="Oracle.DataAccess.Client" description="Oracle Data Provider for .NET" type="Oracle.DataAccess.Client.OracleClientFactory, Oracle.DataAccess, Version=4.112.2.0, Culture=neutral, PublicKeyToken=89b483f429c47342" />
  <add name="Microsoft SQL Server Compact Data Provider" invariant="System.Data.SqlServerCe.3.5" description=".NET Framework Data Provider for Microsoft SQL Server Compact" type="System.Data.SqlServerCe.SqlCeProviderFactory, System.Data.SqlServerCe, Version=3.5.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" />
</DbProviderFactories>

I’ve tried using EdmGen2.exe to manually generate EF classes from database, but I had little success.

How can I use Oracle database, Visual C# Express and Entity Framework together?

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1 Answer

  1. Editorial Team

    VS Express doesn’t support third party components such as DB connection wizards. You will have to configure the connection manually (and create the entity model manually, too… so I suggest you use EF Code First)

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