DataManipulator.FilterTopN Method (Int32, String, String)
Filters out data points in one or more series except for a specified number of points. The points that aren't filtered correspond to points in the first series that have the largest first Y-values.
Assembly: System.Web.DataVisualization (in System.Web.DataVisualization.dll)
Public Sub FilterTopN ( pointCount As Integer, inputSeriesNames As String, outputSeriesNames As String )
The number of data points that the filtering operation will not remove.
Available since 4.0