I have installed oracle database on a Linux base server.

Now if I run my asp.net application, which is on windows XP system, which is accessing the

above mentioned database then everything goes fine. I can easily store Unicode data in correct form.

             But if I run my application using Windows Server 2003 then the unicode data saved by the

application shows "?" question marks in database.

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Does this problem is windows version specific or anything else?????

Does anyone have the solution???????? 

This is the [problem with the encoding used. Chnage you encoding to UTF8 so that the the data does not changes

 Yes, exactly you are right Sir.

I have already changed the characterset in regedit > HKEY_LOCAL_MACHINE > SOFTWARE > ORACLE_CLIENT 

 But that is the solution for hanging "?" (Inverted question mark).

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My problem is straight/correct question mark.....

which I think could because of windows version.

Does my approach in correct way???????/ 

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Thanks for replying soon... 

Please help me If anyone have the soluition .............

Hi,

What characters and/or language are you trying to insert?

What is the characterset of your database?  (select * from nls_parameters where parameter like '%CHARACTERSET'; )

Upside down question marks occur when the bits you've inserted down validly line up with a code point in the characterset you're using.

Greg