Specifies whether a PivotTable field is a data field, or contains the index number of an aggregate field defined by the PTLineItem element.
Contained In
Remarks
If DataField is a subelement of a PTLineItem element, the DataField element contains an integer. If the DataField element is not specified, the default data field index is 1.
For a PivotTable field, if <x:DataField/> is specified, the field is a data field.
See the example in the PivotTable element topic.