Re: Summing fields
This WebDNA talk-list message is from 1997
It keeps the original formatting.
numero = 10817
interpreted = N
texte = >> >I think it was mentioned once that it is possible to calculate a total >> >for a particular field over records in a database. What is the syntax >> >for doing this? >> >> <--starts a total variable at 0 >> [FoundItems] >> >> [/FoundItems] >> >> If you view source you will see this generates a lot of HTML comments >>like with the intermediate results. You might also try >> >> [math]total=[FoundItems][field]+[/FoundItems]0[/math] >> >> This generates a single math equation that looks like total=5+9+4+49+7+96+0>Apparently both methods work cause I see the 's. The second >displayed the total as I wanted. How would I get the total to display >using the first method?If you remove the that surround the [math] context, it will display all those intermediate totals. But if you want to display the grand total instead of the intermediate totals, you have to use the second formula, or ...I created some WebDNA code using a separate database to calculate the total just once per day. This allows me to retrieve the total from the database instead of recalculating it every time. If you want my code, just send me private email and ask ... :)Sincerely, Ken
Associated Messages, from the most recent to the oldest:
>> >I think it was mentioned once that it is possible to calculate a total >> >for a particular field over records in a database. What is the syntax >> >for doing this? >> >> [math]total=0[/math]> <--starts a total variable at 0 >>
[founditems] >> [math]total=total+[field][/math]> >> [/FoundItems] >> >> If you view source you will see this generates a lot of HTML comments >>like with the intermediate results. You might also try >> >>
[math]total=
[founditems][field]+[/FoundItems]0[/math] >> >> This generates a single math equation that looks like total=5+9+4+49+7+96+0>Apparently both methods work cause I see the 's. The second >displayed the total as I wanted. How would I get the total to display >using the first method?If you remove the that surround the
[math] context, it will display all those intermediate totals. But if you want to display the grand total instead of the intermediate totals, you have to use the second formula, or ...I created some WebDNA code using a separate database to calculate the total just once per day. This allows me to retrieve the total from the database instead of recalculating it every time. If you want my code, just send me private email and ask ... :)Sincerely, Ken
Kenneth Grome
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