[qty]*[price] <---work find
but , i want to sum up the total, it comes an error
=sum([qty]*[price])
Please take a look of the attachments.
is anyone can help me?
Thank you very much
i have a table , [order]![date]
I want to calculate which client didn't place order over 30 days
=Datediff("d",[order]![date],now())>30
But this didn't show any result in the query. Who can tell me what is the problem?
Thank you