Summing DBGrid's Detail table's curreny value to show subtotals

I want to create a invoice form
with Master Detail table. I cannot
use the TQuery component because I
am not using borland's BDE. How can
I sum the Detail table's value and
show it to the user?
davichoiAsked:
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ZifNabCommented:
Hi davichoi,

I wrote code for this myself once, but lately a free component came on the net :

http://www.torry.ru/vcl/database/dbsumlst.zip
and you can use it (if you want) with this dbgrid

http://www.torry.ru/vcl/database/dbgrideh.zip

Regards, Zif.

ps. I can provide the code too, if you want
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ZifNabCommented:
otherway is to iterate your table... yes slow and not good coding, but I don't see another way.
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davichoiAuthor Commented:
Thanks!!! You helped me alot!
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