[Solved] Smooth line chart

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Andreas
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Andreas asked on 28 Aug 2026, 11:56 AM

Is line style Smooth not working in line chart?

Seems to work for Area chart...

Using version 15.0.1
<TelerikChart>
    <ChartSeriesItems>
        <ChartSeries Type="ChartSeriesType.Line" Name="Product 1" Data="@_series1Data">
            <ChartSeriesLine Style="@ChartSeriesLineStyle.Smooth" />
        </ChartSeries>
        <ChartSeries Type="ChartSeriesType.Area" Name="Product 2" Data="@_series2Data">
            <ChartSeriesLine Style="@ChartSeriesLineStyle.Smooth" />
        </ChartSeries>
    </ChartSeriesItems>

    <ChartCategoryAxes>
        <ChartCategoryAxis Categories="@_xAxisItems" />
    </ChartCategoryAxes>

    <ChartTitle Text="Quarterly revenue per product"></ChartTitle>
</TelerikChart>

@code {
    readonly List<object> _series1Data = [10, 2, 7, 5];
    readonly List<object> _series2Data = [5, 12, 8, 2];
    readonly object[] _xAxisItems = ["Q1", "Q2", "Q3", "Q4"];
}

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Dimo
Telerik team
answered on 31 Aug 2026, 06:16 AM

Hi Andreas,

The smoothness of lines and areas is defined in different ways. See how to do it for line series in the Chart Overview demo.

<ChartSeries Type="@ChartSeriesType.Line"
                      Style="@ChartSeriesStyle.Smooth">

Regards,
Dimo
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