Label Type property
This is where you indicate whether the selected Pie Chart object must display labels, and if so which. Possible values are:
•None: no label shown.
•Value : Shows the absolute value represented by the pie.
•Percent : Shows the percentage represented by the pie.
•Label : Shows the label, represented by the first selected column in the SQL statement of the Pie Chart object.
•LabelPercent : Shows both the label and the percentage.