DxSparkline.BarNegativeColor Property

Specifies the color of negative values in Bar series.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v25.1.dll

NuGet Package: DevExpress.Blazor

Declaration

[DefaultValue("#d7d7d7")]
[Parameter]
public string BarNegativeColor { get; set; }

Property Value

Type	Default	Description
String	"#d7d7d7"	The bar color.

Remarks

The BarNegativeColor property accepts the following formats:

• Longhand and shorthand hexadecimal color values: #ffff00, #ff0.
• RGB and RGBA color codes: rgb(255, 0, 0), rgba(0, 230, 0, 0.3).
• HTML color name (case-insensitive): red, DarkGreen.

Specify BarPositiveColor and BarNegativeColor properties to customize bars that indicate positive and negative values.

Razor

<DxSparkline Data="@DataSource"
             Type="SparklineType.Bar"
             ArgumentFieldName="Month"
             ValueFieldName="VisitorCount"
             BarPositiveColor="Purple"
             BarNegativeColor="Green"
             ShowFirstLast="false"
             Height="50px"
             Width="200px" />

@code {
    IEnumerable<SparklineDataPoint> DataSource = Enumerable.Empty<SparklineDataPoint>();
    protected override void OnInitialized() {
        DataSource = GenerateData();
    }
}

DataSource

public List<SparklineDataPoint> GenerateData() {
    return new List<SparklineDataPoint>() {
        new SparklineDataPoint( 01, 2210),
        new SparklineDataPoint( 02, 2103),
        new SparklineDataPoint( 03, 2132),
        new SparklineDataPoint( 04, 2000),
        new SparklineDataPoint( 05, -2062),
        new SparklineDataPoint( 06, 1954),
        new SparklineDataPoint( 07, 2112),
        new SparklineDataPoint( 08, 1967),
        new SparklineDataPoint( 09, -2009),
        new SparklineDataPoint( 10, 2087),
        new SparklineDataPoint( 11, 2112),
        new SparklineDataPoint( 12, 2038),
    };
}
public class SparklineDataPoint {
    public int Month { get; set; }
    public int VisitorCount { get; set; }
    public SparklineDataPoint(int month, int visitorCount) {
        Month = month;
        VisitorCount = visitorCount;
    }
}