DxChartSeriesValueErrorBar.HighValueField Property

Specifies the data source field that contains high error values.

Assembly : DevExpress.Blazor.v25.2.dll

Declaration

csharp

[Parameter]
public string HighValueField { get; set; }

Property Value

Type	Description
String

The field name.

Remarks

If the chart’s data source contains high and low values for series points, assign corresponding fields to HighValueField and LowValueField properties to obtain error bar values.

Note

HighValueField and LowValueField property values apply when the Type property is unspecified or set to None.

Razor
DataSource.cs

razor

<DxChart Data="@DataSource">
    @* ... *@
    <DxChartPane Name="TopPane" />
    <DxChartLineSeries Pane="TopPane"
                       Name="@LineSeriesName"
                       ArgumentField="@((AverageTemperatureData i) => i.Month)"
                       ValueField="@((AverageTemperatureData i) => i.AverageTemperature)">
        <DxChartSeriesValueErrorBar LowValueField="@nameof(AverageTemperatureData.AverageLowTemperature)"
                                    HighValueField="@nameof(AverageTemperatureData.AverageHighTemperature)"
                                    LineWidth="1"
                                    Opacity="0.8" />
    </DxChartLineSeries>
    <DxChartValueAxis Pane="TopPane">
        <DxChartAxisTitle Text="Temperature, °C" />
    </DxChartValueAxis>
    @* ... *@
</DxChart>

@code {
    IEnumerable<AverageTemperatureData> DataSource = Enumerable.Empty<AverageTemperatureData>();
    string LineSeriesName = "Average Temperature, °C";
    protected override void OnInitialized() {
        DataSource = ChartAverageTemperatureDataProvider.GenerateData();
    }
    // ...
}

csharp

public List<AverageTemperatureData> GenerateData() {
    List<AverageTemperatureData> result = new List<AverageTemperatureData> {
        // ...
        new AverageTemperatureData {
            Month = "March",
            AverageTemperature = 15.6,
            AverageLowTemperature = 10.6,
            AverageHighTemperature = 20.4,
            AverageHumidity = 79
        },
        // ...
    };
    return result;
}