DataManipulator.FilterTopN Method (Int32, String)
Filters all data points in one or more series except for a specified number of points. The points that are not filtered correspond to points in the first series that have the largest first Y-values. The Series objects that are filtered are used to store the modified data.
Assembly: System.Web.DataVisualization (in System.Web.DataVisualization.dll)
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.