Class HeatMapEvents

Configure handlers to handle the events with the HeatMap component.

Inheritance
System.Object
SfBaseComponent
HeatMapEvents
Inherited Members
Namespace: Syncfusion.Blazor.HeatMap
Assembly: Syncfusion.Blazor.dll
Syntax
public class HeatMapEvents : SfBaseComponent

Constructors

HeatMapEvents()

Declaration
public HeatMapEvents()

Properties

CellClicked

Triggers when you click the heat map cell in the HeatMap component.

Declaration
public EventCallback<CellClickEventArgs> CellClicked { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<CellClickEventArgs>

CellRendering

Gets or sets an event callback that is raised on rendering each cell of the Heatmap component.

Declaration
public EventCallback<HeatMapCellRenderEventArgs> CellRendering { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<HeatMapCellRenderEventArgs>
Remarks

You can customize the heatmap cell value and cell color.

Examples

In the below code example, the heatmap cell value and cell color can be customized using CellRendering event.

<SfHeatMap DataSource="@dataSource">
    <HeatMapEvents CellRendering="@CellRender"></HeatMapEvents>
    <HeatMapTitleSettings Text="GDP Growth Rate for Major Economies (in Percentage)">
    </HeatMapTitleSettings>
    <HeatMapXAxis Labels="@xAxisLabels"></HeatMapXAxis>
    <HeatMapYAxis Labels="@yAxisLabels"></HeatMapYAxis>
</SfHeatMap>
@code{
    private void CellRender(HeatMapCellRenderEventArgs args)
    {
        if (args.CellValue == "2.2")
        {
            args.CellValue = "Low";
            args.CellColor = "#EEEEEE";
        }
    }
    double[,] dataSource = new double[2, 2]
    {
            {9.5, 2.2 },
            {4.3, 8.9 }
    };
    string[] xAxisLabels = new string[] { "China", "India" };
    string[] yAxisLabels = new string[] { "2008", "2009" };
}

CellSelected

Triggers when multiple cells get selected in the HeatMap component.

Declaration
public EventCallback<SelectedEventArgs> CellSelected { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<SelectedEventArgs>

Created

Triggers when the component is created.

Declaration
public EventCallback<object> Created { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<System.Object>

Destroyed

Triggers after the HeatMap is destroyed.

Declaration
public EventCallback<object> Destroyed { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<System.Object>

Loaded

Triggers after the HeatMap is loaded.

Declaration
public EventCallback<LoadedEventArgs> Loaded { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<LoadedEventArgs>

OnLoad

Triggers before the HeatMap is loaded.

Declaration
public EventCallback<LoadedEventArgs> OnLoad { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<LoadedEventArgs>

Resized

Triggers after resizing the Heatmap component.

Declaration
public EventCallback<ResizeEventArgs> Resized { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<ResizeEventArgs>

TooltipRendering

Triggers when the HeatMap tooltip is rendered.

Declaration
public EventCallback<TooltipEventArgs> TooltipRendering { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.EventCallback<TooltipEventArgs>

Methods

OnInitializedAsync()

Declaration
protected override Task OnInitializedAsync()
Returns
Type Description
System.Threading.Tasks.Task
Overrides