Gauges - Gauge Tooltip

This demo shows how to enable and customize the tooltip of the CircularGauge. Hover over the value indicator or any of the subvalue indicators to show its tooltip.

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Backend API

@(Html.DevExtreme().CircularGauge() .ID("gauge") .Scale(s => s .StartValue(0) .EndValue(20) .TickInterval(5) ) .Value(12) .Subvalues(new double[] { 8, 18 }) .Tooltip(t => t .Enabled(true) .Font(f => f .Color("#DCD0FF") .Size(40) ) .CustomizeTooltip(@<text> function (arg) { return { text: arg.valueText + " ohm" }; } </text>) ) .Export(e => e.Enabled(true)) .Title(t => t .Text("Rheostat Resistance") .Font(f => f.Size(28)) ) )

using DevExtreme.MVC.Demos.Models.SampleData; using System.Collections.Generic; using System.Web.Mvc; namespace DevExtreme.MVC.Demos.Controllers { public class GaugesController : Controller { public ActionResult GaugeTooltip() { return View(); } } }

#gauge { height: 440px; width: 100%; }