> How do you count the number of distinct groups in the report designer?
Create a report variable called rnTattoos, set the value to store to ZERO,
the calculate option to SUM, and the Reset option to End of Report.
In the On Exit Expression of the Data Group Footer band, enter the
following:
_VFP.SetVar('rnTattoos', rnTattoos + 1)
Use the rnTattoos variable in your report summary to see the total count.
This works because the report variable creates a placeholder for you to
manipulate. Because you tell the report variable to SUM and what you tell it
to sum is zero, VFP never actually alters the variable. You then manipulate
it in the Data Group Footer by adding 1 with the _VFP.SetVar() function,
thus counting each data group.
Cathy Pountney
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