Class ChartDataLabel

Provides options to customize the data label for the series.

Inheritance
System.Object
ChartSubComponent
ChartDataLabel
Inherited Members
Namespace: Syncfusion.Blazor.Charts
Assembly: Syncfusion.Blazor.dll
Syntax
public class ChartDataLabel : ChartSubComponent, IChartElement, ISubcomponentTracker

Constructors

ChartDataLabel()

Declaration
public ChartDataLabel()

Properties

Alignment

Gets or sets the alignment for the data labels.

Declaration
public Alignment Alignment { get; set; }
Property Value
Type Description
Alignment

An enumeration of type Alignment that defines the alignment of the data label. The default value is Center.
Remarks

This property specifies how data labels are aligned with respect to the data points.

Angle

Gets or sets the rotation angle for the data label.

Declaration
public double Angle { get; set; }
Property Value
Type Description
System.Double

A double representing the angle in degrees at which the data label is rotated. The default value is 0.
Remarks

This property is used to rotate the data label to a specified angle.

Border

Gets or sets the options to customize the border of the data label.

Declaration
public ChartDataLabelBorder Border { get; set; }
Property Value
Type
ChartDataLabelBorder

EnableRotation

Gets or sets a value indicating whether rotation is enabled for the data label.

Declaration
public bool EnableRotation { get; set; }
Property Value
Type Description
System.Boolean

A boolean indicating if the rotation is enabled. The default value is false.
Remarks

When set to true, data labels will be rotated based on the specified angle.

Fill

Gets or sets the fill color of the datalabel.

Declaration
public string Fill { get; set; }
Property Value
Type Description
System.String

A string indicating the fill color of the data label. The default value is transparent.
Remarks

The fill color is used to set the background color of the data label.

Font

Gets or sets the options to customize the text style of the data label.

Declaration
public ChartDataLabelFont Font { get; set; }
Property Value
Type
ChartDataLabelFont

Format

Gets or sets the format for the data label text.

Declaration
public string Format { get; set; }
Property Value
Type Description
System.String

A string specifying the format of the data label. The default value is null.
Remarks

This property supports global string formats like 'C', 'P', 'N1' and will also accept custom formats like '{value}°C'.

LabelIntersectAction

Gets or sets the action for data label intersection.

Declaration
public string LabelIntersectAction { get; set; }
Property Value
Type Description
System.String

A string representing the action to be taken when data labels intersect.
Remarks

This property determines how labels are handled when they overlap on the chart.

Margin

Gets or sets the options to customize the margin for the data label.

Declaration
public ChartDataLabelMargin Margin { get; set; }
Property Value
Type
ChartDataLabelMargin

Name

Gets or sets the name used for data label mapping in the series.

Declaration
public string Name { get; set; }
Property Value
Type Description
System.String

A string representing the mapping name of the data label.
Remarks

This property is used to map a specific data field to the data label.

Opacity

Gets or sets the opacity of the datalabel.

Declaration
public double Opacity { get; set; }
Property Value
Type Description
System.Double

A double representing the opacity level of the data label. Possible values range from 0 to 1. The default value is 1.
Remarks

This property specifies the transparency level of the data label background.

Position

Gets or sets the position of the data label.

Declaration
public LabelPosition Position { get; set; }
Property Value
Type Description
LabelPosition

An enumeration of type LabelPosition that defines the position of the data label. The default value is Auto.
Remarks

This property determines the positioning of the data label relative to the data point.

Rx

Gets or sets the horizontal radius of the rounded corners of the data label.

Declaration
public double Rx { get; set; }
Property Value
Type Description
System.Double

A double value representing the horizontal width of the rounded corner. The default value is 5.
Remarks

This property affects the appearance of the corners of the data label's background.

Ry

Gets or sets the vertical radius of the rounded corners of the data label.

Declaration
public double Ry { get; set; }
Property Value
Type Description
System.Double

A double value representing the vertical width of the rounded corner. The default value is 5.
Remarks

This property affects the appearance of the corners of the data label's background.

Template

Gets or sets the custom HTML element used instead of the standard data label.

Declaration
public RenderFragment<ChartDataPointInfo> Template { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.RenderFragment<ChartDataPointInfo>

A Microsoft.AspNetCore.Components.RenderFragment<> representing the custom template for data labels.
Remarks

Use this property to define a custom template for rendering data labels.

Visible

Gets or sets a value indicating whether the data label is visible.

Declaration
public bool Visible { get; set; }
Property Value
Type Description
System.Boolean

A boolean indicating the visibility of the data label. The default value is false.
Remarks

Setting this property to true makes the data label visible on the chart series.

Methods

OnInitialized()

Declaration
protected override void OnInitialized()

OnParametersSet()

Declaration
protected override void OnParametersSet()
Overrides