oracle11g - How to add Data Connection for Oracle 11g in Visual Studio Enterprise 2015 -


i have oracle 11g database need connect in visual studio 2015 (enterprise update 3).

i have install oracle client 11 on machine reference following directories

i believe there both oracle client 32-bit , 64-bit not sure

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when try add connection using .net framework data provider oledb or .net framework data provider oracle , following error

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on c:\window\system32 have found odbcad32; reference following screen shot;

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i not missing picture. need

many in advance

i reinstall both oracle client 32-bit , 64-bit in following location , worked;

c:\app\kz\product\11.2.0\client_32  c:\app\kz\product\11.2.0\client_64  

to check version of client instance running on local machine

a simple way find out in windows run sqlplus oracle homes's bin directory , check task manager. if 32-bit version of sqlplus, you'll see process on processes tab looks this:

 sqlplus.exe *32 

if 64-bit, process this:

 sqlplus.exe 

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