Display the summaries for each column that has aggregate functions attached. This row can be seen inside a group or not, in all cases will compute the value of all the items recursively. e.g. if this row is added inside a group row the sum function will display the sum of all the items inside that group and the items that are in a sub group of it.

'Declaration
 
Public Class DataGridSummaryRow 
   Inherits C1.Silverlight.DataGrid.DataGridRow

public class DataGridSummaryRow : C1.Silverlight.DataGrid.DataGridRow