Row Totals are rows which display sub-totals calculated for outer row fields. Column Totals are columns which display sub-totals calculated for outer column fields.
The Pivot Grid control supports automatic and custom totals. Automatic totals are calculated using a summary function which is specified by a corresponding data field. Custom totals can be calculated using any summary function. It's possible to calculate multiple custom totals against a data field.
The following table lists the main properties affecting the element's appearance.
Custom Totals Visibility
Custom Totals Collection