troubleshooting Question

DLL with TADOConnection passed in

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TheRealLokiFlag for New Zealand asked on
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I need to create a DLL that talks to an MS SQL database
My calling app is multithreaded
  Each thread contians a TADOConnection
  and each thread needs to call the DLL and pass in the TADOConnection to the DLL
  along with some integer parameters
  potentially more that 1 thread will want to call the DLL at a time.

The DLL will then run a simple query, and return an integer.
If the DLL gets an SQL error, I need to get the error string back somehow.

Can someone give me a working example?

Delphi 5 or 7, MS SQL 2000/2005, Windows XP
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