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Range Area in Blazor Chart component

14 Apr 2021 / 2 minutes to read

Range

Shows variations in the data values for a given time. The area between the high and low range is filled. To render a range area series, use series Type as RangeArea.

rangearea.razor
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@using Syncfusion.Blazor.Charts

<SfChart>
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"/>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@WeatherReports" XName="X" High="High" Low="Low" Type="ChartSeriesType.RangeArea">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X { get; set; }
        public double Low { get; set; }
        public double High { get; set; }
    }

    public List<ChartData> WeatherReports = new List<ChartData>
    {
         new ChartData { X= "Sun", Low= 2.5, High= 9.8 },
         new ChartData { X= "Mon", Low= 4.7, High= 11.4 },
         new ChartData { X= "Tue", Low= 6.4, High= 14.4 },
         new ChartData { X= "Wed", Low= 9.6, High= 17.2 },
         new ChartData { X= "Thu", Low= 7.5, High= 15.1 },
         new ChartData { X= "Fri", Low= 3.0, High= 10.5 },
         new ChartData { X= "Sat", Low= 1.2, High= 7.9 }
    };
}

Range Area

Note: You can refer to our Blazor Range Area Chart feature tour page to know about its other groundbreaking feature representations. You can also explore our Blazor Range Area Chart Example to know how to show variations in the data values for a given time.

Customization

You can use the following properties to customize the range area series.

  • Fill – used to change the color of the range area.
  • Opacity – used to control the transparency of the chart series.
  • DashArray – used to render range area series with dashes.
  • Border – used to render area series with border.
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<SfChart>
<ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category" />
<ChartSeriesCollection>
    <ChartSeries DataSource="@WeatherReports" XName="X" High="High" Low="Low" Opacity="0.5"
                 DashArray="5,5" Fill="blue" Type="ChartSeriesType.RangeArea">
    </ChartSeries>
</ChartSeriesCollection>
</SfChart>

@code{
public class ChartData
{
    public string X { get; set; }
    public double Low { get; set; }
    public double High { get; set; }
}

public List<ChartData> WeatherReports = new List<ChartData>
   {
     new ChartData { X= "Sun", Low= 2.5, High= 9.8 },
     new ChartData { X= "Mon", Low= 4.7, High= 11.4 },
     new ChartData { X= "Tue", Low= 6.4, High= 14.4 },
     new ChartData { X= "Wed", Low= 9.6, High= 17.2 },
     new ChartData { X= "Thu", Low= 7.5, High= 15.1 },
     new ChartData { X= "Fri", Low= 3.0, High= 10.5 },
     new ChartData { X= "Sat", Low= 1.2, High= 7.9 }
};
}

Custom Range Area

Note: You can refer to our Blazor Charts feature tour page for its groundbreaking feature representations. You can also explore our Blazor Chart example to knows various chart types and how to represent time-dependent data, showing trends in data at equal intervals.

See Also