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ASPxDashboard.CustomPalette Event

Provides the capability to substitute the default palette containing colors used to paint dashboard item elements.

Namespace: DevExpress.DashboardWeb

Assembly: DevExpress.Dashboard.v22.1.Web.WebForms.dll

Declaration

public event CustomPaletteWebEventHandler CustomPalette

Event Data

The CustomPalette event's data class is CustomPaletteWebEventArgs. The following properties provide information specific to this event:

Property Description
DashboardId Gets a dashboard identifier.
Palette Gets or sets a palette used to color dashboard item elements.

Remarks

DevExpress Dashboard uses a set of 20 unique colors from the default palette. If necessary, you can handle one of the following events to substitute the default palette. You can use the static read-only DashboardPalette.Default field to get the default palette.

You can create your own palette with custom colors with the following events:

Create and initialize the DashboardPalette class instance and assign the resulting object to the e.Palette event parameter:

using DevExpress.DashboardCommon;
using DevExpress.DashboardWeb;
using System.Collections.Generic;
using System.Drawing;

// ...

protected void ASPxDashboard1_CustomPalette(object sender, CustomPaletteWebEventArgs e) {
    // Create a new custom palette.
    List<Color> customColors = new List<Color>();
    customColors.Add(Color.LightBlue);
    customColors.Add(Color.Aquamarine);
    customColors.Add(Color.SkyBlue);
    customColors.Add(Color.LightCoral);
    customColors.Add(Color.Tomato);
    customColors.Add(Color.IndianRed);            
    customColors.Add(Color.Violet);
    customColors.Add(Color.Plum);
    customColors.Add(Color.MediumOrchid);

    // Assign a newly created custom palette to the Web Dashboard.
    e.Palette = new DashboardPalette(customColors);
}

The image below displays the resulting palette:

Coloring for Web Dashboard - Custom Palette

See Also