Master- Detail form, Total column in master block.

Hi all,
i have a invoice_master,block with the flowwing column inv_no,inv_date,inv_total.
and int he invoice_details, i have item_code,price,qty,total. i have to get SUM(total) into invoice_master.inv_total. inv_total i want to be a display item but database item.
which is the best way to get sum(total) into invoice_total. i tried with pre-insert on the invoice_details. some times it is not ok, when i do ay updations on details blocl etc.
Thanks in advance.

hi,
What euginy has suggested is one good way.
The other way is to create a non-database item(lets say 'x') in detail block with number of items displayed property=1,calculation mode=summary,summary function=sum,summarised block=<invoice_details>,summarised item=total and the property of block <invoice_details> Query all records='YES'.
Then make the property ,copy value from item ,equal to 'x',of invoice_total field of invoice master.
Cheers
Rajeev

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Message was edited by:
mblakene

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As you'll see the problem now is that the design/db model is not quite right as your getting a too many rows error.
Regards,
Dan
http://danielmcghan.us
http://sourceforge.net/projects/tapigen

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hi all
i am using forms 6i
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Edited by: makdutakdu on Jul 4, 2012 1:05 PM
Edited by: makdutakdu on Jul 4, 2012 1:09 PM

HI
If i understood your question on overview, your requirement is
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null

Thank you, Denes,
but isn_t there a simplier way to use a third column ?
I will keep your idea in mind and try out as soon as possible.
With kind regards,
Hergen.

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