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DataManipulator::FilterTopN Method (Int32, String, String, String)

Filters all data points in one or more series except for a specified number of data points. The points that are not filtered correspond to points in the first series that have the largest values.

Namespace:  System.Web.UI.DataVisualization.Charting
Assembly:  System.Web.DataVisualization (in System.Web.DataVisualization.dll)

public:
void FilterTopN(
	int pointCount, 
	String^ inputSeriesNames, 
	String^ outputSeriesNames, 
	String^ usingValue
)

Parameters

pointCount
Type: System::Int32
The number of data points that the filtering operation will not remove.
inputSeriesNames
Type: System::String
A comma-separated list of names of the Series to be filtered.
outputSeriesNames
Type: System::String
A comma-separated list of names of the Series that store the filtered data. Make sure that the number of output series matches the number of input series, otherwise an exception will be thrown.
usingValue
Type: System::String
The data point value that the filtering rule is applied to. Can be X, Y, Y2, Y3, and so forth.

.NET Framework

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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