Iam using Pentaho report designer and we want to hide a subreport if there is no data .
I have tried to use this formula :
not(isemptydata())
in the visible expression but it does not seem to work .
So how to hide a subreport if no data .
1
There are 1 answers
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Pentaho Report Designer elements have "attributes" and "style" sections. In style section there is a field "Visible". If you don't want to make the sub-report visible, it must be set to "false".
When want a function to disable it, the expression must return a "FALSE()" value.
You don't specify how the sub-report is generated and where is it placed (Details, Report Footer, etc), but, I'm gonna assume you have defined a function that has the count of rows for a group "TOTAL_ROWS" (and this is gonna be the field you are gonna compare), so, to hide the sub-report when 0 rows are present:
=IF([TOTAL_ROWS] = 0; FALSE(); TRUE())
"if the total number of rows is zero, return false, else return true".