Issue with Oracle Data Access between Oracle 11gr2 db 64 bit and 11gr2 32 b

Hi all,
I have 2 machines (A,B). I have installed 11r2 64 bit on windows server 2008(64) in machine A and In B 11gr2 32 bit client on win server 2008.
While accessing .net application i have getting following error. where I have to change Oracle.DataAccess.dll.
The .net applicatoin has been devoloped with 10g now we are using 11gr2
Could not load file or assembly 'Oracle.DataAccess, Version=10.2.0.100, Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)thanks,
nag

Hi;
Please see:
Error: "Could not load file or assembly 'Oracle.DataAccess, Version=%s, Culture=neutral, PublicKeyToken=%s' or one of its dependencies. An attempt was made to load a program with an incorrect format" [ID 1367695.1]
Regard
Helios

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