problem to connect to Oracle from my C# WinForm program

Question

i try to connect to Oracle 11.2.0 64bit from my C# program

and i get this error:

Attempt to load Oracle client libraries threw BadImagFormatException. This problem will occur when running in 64 bit mode with the 32 bit Oracle client components installed.

my code for connect to Oracle

Conect = "Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=" + IP + ")(PORT=" + PORT + ")))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=" + Server + ")));User Id=" + UID + ";Password=" + PASS + ";";

Conn = new OracleConnection(Conect); 
Conn.Open();

and my program compile on X86 (for working on 64 bit)

what i need to download or change in my C# program ?

thanks in advance

You should post your code, or we can't help you with what to change. — xdumaine
– xdumaine, Commented Mar 21, 2011 at 20:13

Sanja Melnichuk · Accepted Answer · 2011-03-21 20:16:34Z

3

If you are using oracle 32bit client you need to rebuild your app from Any CPU to x86.

answered Mar 21, 2011 at 20:16

Sanja Melnichuk

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2 Comments

Gali Over a year ago

i know this , but this isn't the problem

Sanja Melnichuk Over a year ago

Try change Project -> Properties -> Build -> Target CPU to x86 too

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