Problem while connecting to oracle

Hello sir,
Me Jr Dba, ours is .net application .Today i have installed oracle on the system
in which application is running .After the installation when we r opening the .net
application we got the following error
Oracle client and networking components were not found. These components are supplied by Oracle Corporation and are part of the Oracle Version 7.3.3 or later client software installation.
Provider is unable to function until these components are installed.
could we pls suggest the above
Regards,
Vamsi

No version, no help.
However, this error message usually occurs using a Mickeysucks driver from the Stone Age. This driver expects the ORAWIN.. dll which has been replaced in later versions of Oracle.
Not an Oracle problem. Just the usual problem of not reading installation documentation, upgrading only one component instead of all, and not paying attention. Usually this ends up in a forum like this one, where others may resolve the problem for free, as the 'company' couldn't be bothered to buy support.
Sybrand Bakker
Senior Oracle DBA

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I wrote a JAVA program to test the connection with
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Here is JAVA code:
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