Just a thought, I haven't used one but do these TADOQuerys have a Parameters
collection with an old parameter item?  The first error message indicated
the lack of a default for a parameter - is that relevant?

Of course a purist might say that you are denormalising your database with
the addition of this field. ;-)  Can you maybe achieve what you want to by
calculating the total when you actually need it?


Paul Ritchie
Radio Computing Services

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