ASP.NET MVC Controls
PieDataLabel Class
File
wijmo.chart.js
Module
wijmo.chart
Base Class
DataLabelBase

The point data label for FlexPie.

Properties

Methods

Events

Properties

border

Gets or sets a value indicating whether the data labels have borders.

Inherited From
DataLabelBase
Type
boolean

connectingLine

Gets or sets a value indicating whether to draw lines that connect labels to the data points.

Inherited From
DataLabelBase
Type
boolean

content

Gets or sets the content of data labels.

The content can be specified as a string or as a function that takes HitTestInfo object as a parameter.

When the label content is a string, it can contain any of the following parameters:

  • seriesName: Name of the series that contains the data point (FlexChart only).
  • pointIndex: Index of the data point.
  • value: Value of the data point.
  • x: x-value of the data point (FlexChart only).
  • y: y-value of the data point (FlexChart only).
  • name: Name of the data point.
  • propertyName: any property of data object.

The parameter must be enclosed in curly brackets, for example 'x={x}, y={y}'.

In the following example, we show the y value of the data point in the labels.

// Create a chart and show y data in labels positioned above the data point.
 var chart = new wijmo.chart.FlexChart('#theChart');
 chart.initialize({
     itemsSource: data,
     bindingX: 'country',
     series: [
         { name: 'Sales', binding: 'sales' },
         { name: 'Expenses', binding: 'expenses' },
         { name: 'Downloads', binding: 'downloads' }],
 });
 chart.dataLabel.position = "Top";
 chart.dataLabel.content = "{country} {seriesName}:{y}";

The next example shows how to set data label content using a function.

// Set the data label content 
 chart.dataLabel.content = function (ht) {
   return ht.name + ":" + ht.value.toFixed();
 }
Inherited From
DataLabelBase
Type
any

offset

Gets or sets the offset from label to the data point.

Inherited From
DataLabelBase
Type
number

position

Gets or sets the position of the data labels.

Type
PieLabelPosition

Methods

onRendering

onRendering(e: DataLabelRenderEventArgs): void

Raises the rendering event.

Parameters
Inherited From
DataLabelBase
Returns
void

Events

rendering

Occurs before the rendering data label.

Inherited From
DataLabelBase
Arguments
DataLabelRenderEventArgs

 

 


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