Hi All.
I have come across an issue in D7 where if I do the following query using the ADO Controls when querying an Access DB, I get an error raised (at designtime) saying an exception has occured in msjet40.dll. If I press the OK button, every thing still works ok, and I get the results from the query.
 
"Select SUM(blah) >From My Table"
 
Its the SUM is doesnt seem to like or rather throws the error. COUNT etc. are fine, and it IS a number field, not a string or text field.
 
The weired thing is, it only happens at run time, and doesnt affect the exe.....that was...until I started using an app. that uses threads, and now, it hangs the application !
 
Anyone know why the above error occurs? Do I just need to change a property to solve it etc?
 
Thanks, Jeremy

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