hi
i have a access database, there is a time field. I am creating a crystal report ... I need to sum up num of records in a time interval, how do i do that using formulas ?
in the report will be smthing like this
time count
09:00 to 09:10 5
09:10 to 09:20 7
09:20 to 09:30 16
using cr ver 11
thanks
