System. Data. oracleclient requires Oracle client software version

 

System. Data. oracleclient requires Oracle client software version
8.1.7 or greater

This error message is in use. . Net C # occurs during development and Oracle database development.

An error occurred while executing oracleconnection1.open.

I checked a lot of online materials and set the permission for the ORACLE_HOME directory. The authenticated user must have the permission to read and run and apply it to all directories and files.

I tried it many times but failed. Later, ASP was added. Net and Internet guest permissions.

And surprisingly. Some DLL files in Bin on Windows 2003, such as OCI. DLL. When setting directory permissions, it is not applied to the file, but needs to be manually set again.

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ArticleSource: http://wangzhq.blog.com.cn/archives/2006/945748.shtml