How to customize axis labels in Blazor Chart?

This article explains how to customize axis labels in Blazor Chart Component.

Customizing axis labels in Blazor Chart

Blazor Chart provides various customization options for axis labels using OnAxisLabelRender event. This event triggers before each axis label renders.

The event args provide the following properties for customizing label rendering:

LabelStyle – Specifies the font information of the axis label with the following properties:

The properties such as Color, FontFamily, FontStyle, FontWeight, and Opacity of the axis label can be customized using the LabelStyle event argument of the OnAxisLabelRender event.

The following code example illustrates how to customize the color of the axis labels in the Blazor Chart:

Index.razor

@using Syncfusion.Blazor.Charts

<SfChart>
    <ChartEvents OnAxisLabelRender="AxisLabelEvent"></ChartEvents>

    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category" LabelPosition="AxisPosition.Inside"></ChartPrimaryXAxis>

    <ChartSeriesCollection>
        <ChartSeries DataSource="@Sales" XName="Month" YName="SalesValue" Type="ChartSeriesType.Column">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code {

    public class SalesInfo
    {
        public string Month { get; set; }
        public double SalesValue { get; set; }
    }

    public List<SalesInfo> Sales = new List<SalesInfo>
    {
        new SalesInfo { Month = "Jan", SalesValue = 35 },
        new SalesInfo { Month = "Feb", SalesValue = 28 },
        new SalesInfo { Month = "Mar", SalesValue = 34 },
        new SalesInfo { Month = "Apr", SalesValue = 32 },
        new SalesInfo { Month = "May", SalesValue = 40 },
        new SalesInfo { Month = "Jun", SalesValue = 32 },
        new SalesInfo { Month = "Jul", SalesValue = 35 }
    };

    public void AxisLabelEvent(AxisLabelRenderEventArgs args)
    {
        if (args.Axis.Name == "PrimaryXAxis")
        {
            args.LabelStyle.Color = "Red";
        }         
    }

}

The following screenshot illustrates the output of the above code snippet.

Output:

View the sample in GitHub

Conclusion

I hope you enjoyed learning how to customize axis label in Blazor Chart Component.

You can refer to our Blazor Chart feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our Blazor Chart example to understand how to create and manipulate data.

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