Question
“How do I dynamically create a report in code based on the fields in a datapipeline?”
Solution
Yes, this is a matter of simply looping through all the fields in the datapipeline(s) and dynamically creating labels/dbTexts for each field in code.
Download: DynamicFields.zip
Sample Delphi code:
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procedure TForm1.CreateText; var liIndex: Integer; liNumFields: Integer; lLabel: TppLabel; lDBText: TppDBText; lField: TppField; begin liNumFields := ppDBPipeline1.FieldCount; CreateLabels(liNumFields, FLabelList); CreateDBTexts(liNumFields, FDBTextList); for liIndex := 0 to liNumFields - 1 do begin lLabel := TppLabel(FLabelList[liIndex]); lDBText := TppDBText(FDBTextList[liIndex]); lField := ppDBPipeline1.Fields[liIndex]; lLabel.Band := ppHeaderBand1; lLabel.Left := liIndex; lLabel.Top := 0.25; lLabel.Caption := lField.FieldAlias; lLabel.Font.Size := 12; lLabel.Font.Color := clBlue; lDBText.Band := ppDetailBand1; lDBText.DataPipeline := ppDBPipeline1; lDBText.Left := liIndex; lDBText.Top := 0.25; lDBText.DataField := lField.FieldName; end; end; procedure TForm1.CreateLabels(aFieldCount: Integer; aList: TList); var lLabel: TppLabel; liIndex: Integer; begin for liIndex := 0 to aFieldCount - 1 do begin lLabel := TppLabel.Create(Self); aList.Add(lLabel); end; end; procedure TForm1.CreateDBTexts(aFieldCount: Integer; aList: TList); var lDBText: TppDBText; liIndex: Integer; begin for liIndex := 0 to aFieldCount - 1 do begin lDBText := TppDBText.Create(Self); aList.Add(lDBText); end; end; |