On-line Documentation

OnCalcExpression

 

Example


Applies to

TEXLReportGroupHeaderBand object

 

Declaration

property OnCalcExpression: TEXLReportCalcExpressionEvent;

 

TEXLReportCalcExpressionEvent = procedure(Sender: TEXLReportBand; var GroupValue: String) of object;

 

Description

 

Use the OnCalcExpression event to set grouping by some expression value. This event takes place before writing each data row to the report. Data are grouped by the output parameter GroupValue.

 


See also:

FieldName property