An unhandled exception occurred during the execution of

ASP.NET的应用系统,
调用dll时出现以下信息，没办法解决：

@##Unable  to  load  DLL  (oci.dll). 
Description:An unhandled exception occurred during the execution of
the current web request. Please review the stack trace for more information
about the error and where it originated in the code.


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尝试一下在客户端用pl/sql能不能正常链接数据库．
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参考一下：

http://www.bitscn.com/oracle/optimize/200611/82310.html

http://blog.csdn.net/ludbul/archive/2005/06/22/400657.aspx
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http://hi.baidu.com/birdsmaller/blog/item/bd8acebfb7cbeb0a18d81f79.html
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实在不行的话用regsvr32.exe把 oci.dll注册一下试试