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Docs > Silverlight Controls > Controls > Pivot Grid > Concepts > Data-Related Features > Aggregation > Summaries > Summary Overview
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API Reference

Summary Overview

Cells in the PivotGridControl display the results of summaries calculated against data fields. Summaries are calculated for a subset of records from the grid's underlying data source. All the records in this subset have matching values in a column field(s) and row field(s) and these values are identified by column and row headers. Summary values are displayed within cells in the Data Area.

pivotgrid_cells

DXPivotGrid supports two types of summaries:

  • Automatic summaries are always calculated against data fields. The type of the summary function is specified by the data field's PivotGridField.SummaryType property.
  • Custom summaries allow you to manually calculate summaries using custom algorithms. For instance, you can involve multiple data fields in summary calculation or calculate a summary for individual records.

For information on how to obtain summary values, see Accessing Summary Values and Obtaining Underlying Data.