Drill Up(PivotItem, Object, Object)
Enables you to drill up into the data within an OLAP or PowerPivot based cube hierarchy.
public void DrillUp (Microsoft.Office.Interop.Excel.PivotItem PivotItem, object PivotLine, object LevelUniqueName);
The member from which the drill up is performed.
Specifies the line in the PivotTable where the operation starting member resides. In cases where PivotLine is not specified, defaults to the top PivotLine where the member appears.
The target for a multi-level drill up. The default action if not specified is a one level drill up.