Data fields represent fields located in a pivot grid's Data Header Area. Pivot Grid calculates summaries against data fields. Summary results are displayed within the Data Area.
For numeric data fields, the following summary functions can be calculated: Sum, Count, Min, Max, Average, Standard Deviation based upon a sample, Standard Deviation based upon an entire population, Variation based upon a sample and Variation based upon an entire population.
For non-numeric data fields, the following summary functions are available: Count, Min and Max.
The following image shows a PivotGrid, which contains one data field - "Quantity(Sum)":
When there are two or more data fields, the pivot grid displays data field headers to distinguish between different summary values.