showPercentage property

ChartDataLabelCollection.showPercentage property

Allows to specify whether percentage value is to be displayed for the data labels of the entire series. Default value is false. Applies only to Pie charts.

get showPercentage(): boolean

Remarks

Value defined for this property can be overridden for an individual data label with using the ChartDataLabel.showPercentage property.

Examples

Shows how to work with data labels of a pie chart.

let doc = new aw.Document();
let builder = new aw.DocumentBuilder(doc);

let chart = builder.insertChart(aw.Drawing.Charts.ChartType.Pie, 500, 300).chart;

// Clear the chart's demo data series to start with a clean chart.
chart.series.clear();

// Insert a custom chart series with a category name for each of the sectors, and their frequency table.
let series = chart.series.add("Aspose Test Series",
  [ "Word", "PDF", "Excel" ],
  [ 2.7, 3.2, 0.8 ]);

// Enable data labels that will display both percentage and frequency of each sector, and modify their appearance.
series.hasDataLabels = true;
let dataLabels = series.dataLabels;
dataLabels.showLeaderLines = true;
dataLabels.showLegendKey = true;
dataLabels.showPercentage = true;
dataLabels.showValue = true;
dataLabels.separator = "; ";

doc.save(base.artifactsDir + "Charts.DataLabelsPieChart.docx");

See Also