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I am working with visual studio 2010 with Oracle 10g back-end, i used ODT with ODAC 112012 to connect oracle 10g with vs 2010, after i enclosed a webform with Oracle database, but getting this error ,

CS0433: The type 'Oracle.DataAccess.Client.OracleCommand' exists in both 'c:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\fast team3\0b28a749\fd6d2f34\assembly\dl3\88307a15\00e8600f_f72ecb01\Oracle.DataAccess.DLL' and 'c:\WINDOWS\Microsoft.NET\assembly\GAC_32\Oracle.DataAccess\v4.0_4.112.1.2__89b483f429c47342\Oracle.DataAccess.dll'

Please provide the solution if any one knows...Thanks in advance.
Posted 21-Jun-12 1:44am
Updated 22-Aug-16 9:08am
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Solution 1

Try following this if it helps: Trying to resolve ODP error [^]
losmac 21-Jun-12 17:13pm
Interesting link, my 5!
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Solution 2

Clean the solution and build again and make sure you don't have references in both config file and bin folder.

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