Unable to find the requested .Net Framework Data Provider. It may not be installed. RSS

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  suparn1904

  Member

  255 Points

  85 Posts

  Unable to find the requested .Net Framework Data Provider. It may not be installed.

  Oct 29, 2011 05:57 PM|LINK

  I have Oracle 10g installed on my machine.

  Error :

  Unable to find the requested .Net Framework Data Provider. It may not be installed.

  Line of code :

  DbProviderFactory objFactory = DbProviderFactories.GetFactory("Oracle.DataAccess.Client");

  (Working fine if i am using other options rather than DbProviderFactory)

  Assembly :

  Oracle.DataAccess (In GAC, i have version 10.1.0.200 only).

  Please help me sort this error. Thanks

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  Catherine Sh...

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  23382 Points

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  Microsoft

  Re: Unable to find the requested .Net Framework Data Provider. It may not be installed.

  Nov 02, 2011 06:07 AM|LINK

  Hi suparn1904,

  suparn1904

  I have Oracle 10g installed on my machine.

  Error :

  Unable to find the requested .Net Framework Data Provider. It may not be installed.

  In order to resolve your issue above, you need to do it as follows:

  1.  Please make sure that you have installed Oracle Data Access Components.

  2.  Please try to check that the correct assembly was installed in the GAC.

  3.  Please try to add the following DbProviderFactory entry to the web.config.

  <system.data>
  <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=2.111.6.20,
  Culture=neutral,
  PublicKeyToken=89b483f429c47342" />
   </DbProviderFactories>
    </system.data>

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  • Marked as answer by Catherine Shan - MSFT on Nov 07, 2011 01:00 AM
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  sirdneo

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  15171 Points

  2509 Posts

  Re: Unable to find the requested .Net Framework Data Provider. It may not be installed.

  Nov 04, 2011 05:20 AM|LINK

  This problem is because either your data provider is not installed in GAC or multiple versions of same data providers are installed in your machine. You have to define DbProviderFactories in your web.config for the dataprovider which you are using. Have a look at this article, it will guide you that how you can solve this problem:-

  http://zeeshanumardotnet.blogspot.com/2011/11/unable-to-find-requested-net-framework.html

  Thanks,
  Zeeshan Umar
  ~Please Mark As Answer, one or multiple posts, which helped you. So that it might be useful for others~
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  AmirHossein

  Member

  2 Points

  1 Post

  Re: Unable to find the requested .Net Framework Data Provider. It may not be installed.

  Sep 24, 2012 08:36 PM|LINK

  Check this

  http://zeeshanumardotnet.blogspot.de/2011/11/unable-to-find-requested-net-framework.html

  Regards