How to fix this ODP error,CS0433: The type 'Oracle.DataAccess.Client.OracleCommand' exists in both 'c

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VS2010

Hi,
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 0:44am

cvbharathi

Updated 18-Apr-19 6:01am

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Sandeep Mewara · Answer 1 · 2012-06-21T09:38:00

Solution 1

Try following this if it helps: Trying to resolve ODP error [^]

Posted 21-Jun-12 9:38am

Sandeep Mewara

Comments

Maciej Los 21-Jun-12 17:13pm

Interesting link, my 5!

igudipalli · Answer 2 · 2016-08-22T08:08:00

Solution 2

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

Posted 22-Aug-16 8:08am

igudipalli

Member 14315647 · Answer 3 · 2019-04-18T06:01:00

Clean and rebuild the solution 

delete all ODATAACCESS reference in your library, 

clean rebuild, 
Open Nugget, add Odataaccess x86
clean rebuild

Open the project path , delete file : Obj  & bin 

Open C:\Windows\Microsoft.NET 
seach look for Temporary ASP.NET Files

delete all file inside it ;

Close VS 
restart  it , clean build  
[OK !]