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I am getting an error message in a .NET application. I am very new to using Oracle with .NET.

The ADO.NET provider with invariant name 'Oracle.DataAccess.Client' is either not registered in the machine or application config file, or could not be loaded.

I have installed devart's oracle driver and also oracle instant client from oracle. But getting this error message. Does anyone know how to solve this?

Syed
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  • FYI Oracle now provides the managed ODP.net library which does not require any installation and very little configuration (+has an EF provider) – vc 74 Apr 28 '15 at 10:07
  • Any information regarding that?? Like as I said that I am new to Oracle so I would appreciate any help regarding how to configure it. – Syed Apr 28 '15 at 10:08
  • You can watch this video to learn more about it: https://www.youtube.com/watch?v=gWpx9vBqr-Q – vc 74 Apr 28 '15 at 10:28
  • Oracle Instant Client does not include ADO.NET drivers. You have to install them separately. (or enable the features in "Full Client" installation. Have a look at this answer: [The provider is not compatible with the version of Oracle client](http://stackoverflow.com/questions/659341/the-provider-is-not-compatible-with-the-version-of-oracle-client#25412992) – Wernfried Domscheit Apr 28 '15 at 15:04

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