freereport: How I print NULL instead ZERO at runtime

LuigiLuigi
in FreeReport

Hello,

I need to print NULL instead of the value ZERO at runtime for several fields, about 900, within the report.

I thought of using the OnDrawObject event at runtime, but I don't understand which TfrView property to query to replace the value from ZERO to NULL. Example : if View.???? = 0.00 then View.??? := NULL.

Can anyone suggest the most suitable method without having to intervene on every field of the report?

Thank you.

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