DataManipulator.FilterTopN Method (Int32, String, String, String, Boolean)

.NET Framework (current version)
 

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 input series that have the largest or smallest 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,
	bool getTopValues
)

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.

getTopValues
Type: System.Boolean

true if the largest values are kept, false if the smallest values are kept.

.NET Framework
Available since 4.0
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