-
Data Grid
- Overview
-
Data Binding
-
Paging and Scrolling
-
Editing
-
Grouping
-
Filtering and Sorting
- Focused Row
-
Row Drag & Drop
-
Selection
-
Columns
- State Persistence
-
Appearance
-
Templates
-
Data Summaries
-
Master-Detail
-
Export to PDF
-
Export to Excel
-
Adaptability
- Keyboard Navigation
-
Pivot Grid
- Overview
-
Data Binding
-
Field Chooser
-
Features
-
Export to Excel
-
Tree List
- Overview
-
Data Binding
- Sorting
- Paging
-
Editing
- Node Drag & Drop
- Focused Row
-
Selection
-
Filtering
-
Column Customization
- State Persistence
- Adaptability
- Keyboard Navigation
-
Scheduler
- Overview
-
Data Binding
-
Views
-
Features
- Virtual Scrolling
-
Grouping
-
Customization
- Adaptability
-
Html Editor
-
Diagram
- Overview
-
Data Binding
-
Featured Shapes
-
Custom Shapes
-
Document Capabilities
-
User Interaction
- UI Customization
- Adaptability
-
Charts
- Overview
-
Data Binding
-
Area Charts
-
Bar Charts
- Bullet Charts
-
Doughnut Charts
-
Financial Charts
-
Line Charts
-
Pie Charts
-
Point Charts
-
Polar and Radar Charts
-
Range Charts
-
Sparkline Charts
-
Tree Map
-
Funnel and Pyramid Charts
- Sankey Chart
-
Combinations
-
More Features
-
Export
-
Selection
-
Tooltips
-
Zooming
-
-
Gantt
- Overview
-
Data
-
UI Customization
- Strip Lines
- Export to PDF
- Sorting
-
Filtering
-
Reporting
-
Interaction
-
Report Types
-
Data binding
-
Real-life Reports
-
Layout Features
-
Report Controls
-
Web-specific Features
-
-
Rich Text Editor
- Overview
- Load/Save
- Document Protection
-
Templates
- Autocorrect
-
Customization
- Simple View
-
Spreadsheet
- Overview
-
Open a Document
- Export And Printing
-
Features
-
UI Customization
-
Gauges
- Overview
-
Data Binding
-
Bar Gauge
-
Circular Gauge
-
Linear Gauge
-
Navigation
- Overview
- Accordion
- Menu
- Multi View
-
Drawer
-
Tab Panel
- Tabs
-
Toolbar
-
Tree View
- Right-to-Left Support
-
Editors
- Overview
- Autocomplete
- Calendar
- Check Box
- Color Box
- Date Box
-
Date Range Box
-
Drop Down Box
-
Number Box
-
Select Box
- Switch
-
Tag Box
- Text Area
- Text Box
- Validation
- Custom Text Editor Buttons
- Right-to-Left Support
- Editor Appearance Variants
-
Forms and Multi-Purpose
- Overview
- Button Group
- Field Set
-
Filter Builder
-
Form
- Radio Group
-
Range Selector
- Numeric Scale (Lightweight)
- Numeric Scale
- Date-Time Scale (Lightweight)
- Date-Time Scale
- Logarithmic Scale
- Discrete scale
- Custom Formatting
- Use Range Selection for Calculation
- Use Range Selection for Filtering
- Image on Background
- Chart on Background
- Customized Chart on Background
- Chart on Background with Series Template
- Range Slider
- Scroll View
- Slider
-
Sortable
-
File Management
-
File Manager
-
File Uploader
-
-
Actions and Lists
- Overview
-
Button
- Floating Action Button
- Drop Down Button
-
Context Menu
-
Gallery
-
List
-
Lookup
-
Tile View
- Resizable
-
Maps
- Overview
-
Map
-
Vector Map
-
Dialogs and Notifications
-
Localization
Related Demos:
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Update Bar Gauge Data at Runtime
Documentation
This demo illustrates how to bind an array of values to the BarGauge. Since an array can not be bound to a field as a regular value, it is bound as a computed one.
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Backend API
@model IEnumerable<DevExtreme.NETCore.Demos.Models.Color>
@{ var firstColor = Model.First(); }
<div class="long-title"><h3>Colors Representation via Basic Colors</h3></div>
<div id="gauge-demo">
@(Html.DevExtreme().BarGauge()
.ID("gauge")
.StartValue(0)
.EndValue(255)
.Palette(new[] { "#ff0000", "#00ff00", "#0000ff" })
.Label(l => l.Visible(false))
.Values(new JS(String.Format(@"getBasicColors(""{0}"")", firstColor.Code)))
)
<div class="action-container">
@(Html.DevExtreme().SelectBox()
.ID("select-color")
.Width(150)
.InputAttr("aria-label", "Color")
.DataSource(Model)
.DisplayExpr("Name")
.ValueExpr("Name")
.Value(firstColor.Name)
.OnSelectionChanged(@<text>
function(e) {
var gauge = $("#gauge").dxBarGauge("instance");
gauge.option("values", getBasicColors(e.selectedItem.Code));
}
</text>)
)
<div class="color-box"></div>
</div>
</div>
<script>
function getBasicColors(value) {
var code = Number("0x" + value.slice(1));
$(".color-box").css("background-color", value);
return [
(code >> 16) & 0xff,
(code >> 8) & 0xff,
code & 0xff
];
}
</script>
using DevExtreme.NETCore.Demos.Models.SampleData;
using Microsoft.AspNetCore.Mvc;
namespace DevExtreme.NETCore.Demos.Controllers {
public class GaugesController : Controller {
public ActionResult UpdateBarGaugeDataAtRuntime() {
return View(SampleData.Colors);
}
}
}
using System;
using System.Linq;
namespace DevExtreme.NETCore.Demos.Models {
public class Color {
public string Name { get; set; }
public string Code { get; set; }
}
}
using System;
using System.Collections.Generic;
using System.Linq;
namespace DevExtreme.NETCore.Demos.Models.SampleData {
public partial class SampleData {
public static readonly IEnumerable<Color> Colors = new[] {
new Color {
Name = "Amaranth",
Code = "#e52b50"
},
new Color {
Name = "Amethyst",
Code = "#9966cc"
},
new Color {
Name = "Ash grey",
Code = "#b2beb5"
},
new Color {
Name = "Barn red",
Code = "#7c0a02"
},
new Color {
Name = "Imperial",
Code = "#602f6b"
},
new Color {
Name = "Lemon lime",
Code = "#e3ff00"
},
new Color {
Name = "Mountain Meadow",
Code = "#30ba8f"
},
new Color {
Name = "Outer Space",
Code = "#414a4c"
},
new Color {
Name = "Persian plum",
Code = "#701c1c"
},
new Color {
Name = "Seal brown",
Code = "#321414"
},
new Color {
Name = "Twilight lavender",
Code = "#8a496b"
},
new Color {
Name = "Umber",
Code = "#635147"
}
};
}
}
#gauge-demo {
height: 440px;
width: 100%;
}
#gauge {
width: 80%;
height: 100%;
margin-top: 20px;
float: left;
}
.action-container {
width: 20%;
text-align: left;
margin-top: 20px;
float: left;
}
.color-box {
width: 40px;
height: 40px;
margin-top: 20px;
}
.long-title h3 {
font-weight: 200;
font-size: 28px;
text-align: center;
margin-bottom: 20px;
}