public class GroupingFlatDataSource : Infragistics.Olap.FlatData.FlatDataSource, Infragistics.Olap.IOlapViewModel, Infragistics.Olap.IPivotDataSlicerProvider, Infragistics.Olap.ISortableOlapDatasource
'宣言
Public Class GroupingFlatDataSource
Inherits Infragistics.Olap.FlatData.FlatDataSource
Implements Infragistics.Olap.IOlapViewModel, Infragistics.Olap.IPivotDataSlicerProvider, Infragistics.Olap.ISortableOlapDatasource