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Data Grids / Data Management
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Data Grid
- Overview
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Data Binding
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Filtering
- Sorting
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Editing
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Grouping
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Selection
- Focused Row
- Paging
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Scrolling
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Columns
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Master-Detail
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Data Summaries
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Drag & Drop
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Export to PDF
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Export to Excel
- Appearance
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Customization
- State Persistence
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Adaptability
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Keyboard Navigation
- Right-To-Left Support
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Tree List
- Overview
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Data Binding
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Filtering
- Sorting
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Editing
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Selection
- Focused Row
- Paging
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Columns
- Drag & Drop
- State Persistence
- Adaptability
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Keyboard Navigation
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Card View
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Pivot Grid
- Overview
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Data Binding
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Field Management
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Data Summaries
- Drill Down
- Filtering
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Scrolling
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Export to Excel
- Chart Integration
- Customization
- State Persistence
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Filter Builder
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Data Visualization
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Charts
- Overview
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Data Binding
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Common Concepts
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Axis
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Aggregation
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Tooltips
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Selection
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Customization
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Zooming
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Export
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Area Charts
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Bar Charts
- Bullet Charts
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Doughnut Charts
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Financial Charts
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Funnel and Pyramid Charts
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Line Charts
- Pareto Chart
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Pie Charts
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Point Charts
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Polar and Radar Charts
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Range Charts
- Sankey Chart
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Sparkline Charts
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Tree Map
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Gauges
- Overview
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Runtime update
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Bar Gauge
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Circular Gauge
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Linear Gauge
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Diagram
- Overview
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Data Binding
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Featured Shapes
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Custom Shapes
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Document Capabilities
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User Interaction
- UI Customization
- Adaptability
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Scheduling / Planning
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Scheduler
- Overview
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Data Binding
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Views
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Appointments
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Timetable
- Editing
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Grouping
- Virtual Scrolling
- Drag & Drop
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Customization
- Adaptability
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Gantt
- Overview
- Data Binding
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Filtering
- Sorting
- Strip Lines
- Export to PDF
- Validation
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Customization
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Messaging
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WYSIWYG Editor
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Forms
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Data Editors
- Overview
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Common Concepts
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Calendar
- Check Box
- Color Box
- Date Box
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Date Range Box
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Number Box
- Radio Group
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Range Selector
- Range Slider
- Slider
- Switch
- Text Area
- Text Box
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Drop-Downs
- Autocomplete
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Drop Down Box
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Select Box
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Tag Box
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Lookup
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Buttons
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File Upload / File Management
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File Manager
- Overview
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File System Types
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Customization
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File Uploader
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Popup and Notifications
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Navigation
- Overview
- Accordion
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Context Menu
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Menu
- Multi View
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Drawer
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Tab Panel
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Tabs
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Toolbar
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Stepper
- Pagination
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List
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Tree View
- Right-to-Left Support
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Layout
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Tile View
- Splitter
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Gallery
- Scroll View
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Interactive Wrappers
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Sortable
- Resizable
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Progress Indicators
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Maps
- Overview
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Map
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Vector Map
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Data Binding
- Multiple Layers
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Markers
- Legend
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Zooming and Panning
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Customization
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Localization
Related Demos:
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Html Editor - Overview
The HTML Editor component is a client-side WYSIWYG text editor. The editor allows users to format text and integrate media elements into documents. The result can be exported to HTML.
Users can edit and customize content using the toolbar that can contain predefined and custom controls. To specify the available controls, use the items array. In this demo, the toolbar contains predefined controls.
Backend API
@section ExternalDependencies {
<script src="https://cdn.jsdelivr.net/npm/devextreme-quill@1.7.3/dist/dx-quill.min.js"></script>
}
@functions {
object GetInputAttr(string key, string value)
{
return new { inputAttr = new Dictionary<string, string>() { { key, value } } };
}
}
@(Html.DevExtreme().HtmlEditor()
.ID("html-editor")
.Height(725)
.ImageUpload(imageUpload => imageUpload.Tabs(
tabs => {
tabs.Add().Name(HtmlEditorImageUploadTab.File);
tabs.Add().Name(HtmlEditorImageUploadTab.Url);
})
)
.Value(new JS("markup"))
.Toolbar(toolbar => toolbar.Items(
items => {
items.Add().Name(HtmlEditorToolbarItem.Undo);
items.Add().Name(HtmlEditorToolbarItem.Redo);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add()
.Name("size")
.AcceptedValues(new[] { "8pt", "10pt", "12pt", "14pt", "18pt", "24pt", "36pt" })
.Option("options", GetInputAttr("aria-label", "Font size"));
items.Add()
.Name("font")
.AcceptedValues(new[] { "Arial", "Courier New", "Georgia", "Impact", "Lucida Console", "Tahoma", "Times New Roman", "Verdana" })
.Option("options", GetInputAttr("aria-label", "Font family"));
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.Bold);
items.Add().Name(HtmlEditorToolbarItem.Italic);
items.Add().Name(HtmlEditorToolbarItem.Strike);
items.Add().Name(HtmlEditorToolbarItem.Underline);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.AlignLeft);
items.Add().Name(HtmlEditorToolbarItem.AlignCenter);
items.Add().Name(HtmlEditorToolbarItem.AlignRight);
items.Add().Name(HtmlEditorToolbarItem.AlignJustify);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.OrderedList);
items.Add().Name(HtmlEditorToolbarItem.BulletList);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add()
.Name("header")
.AcceptedValues(new JS("[false, 1, 2, 3, 4, 5]"))
.Option("options", GetInputAttr("aria-label", "Header"));
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.Color);
items.Add().Name(HtmlEditorToolbarItem.Background);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.Link);
items.Add().Name(HtmlEditorToolbarItem.Image);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.Clear);
items.Add().Name(HtmlEditorToolbarItem.CodeBlock);
items.Add().Name(HtmlEditorToolbarItem.Blockquote);
items.Add().Name(HtmlEditorToolbarItem.Separator);
items.Add().Name(HtmlEditorToolbarItem.InsertTable);
items.Add().Name(HtmlEditorToolbarItem.DeleteTable);
items.Add().Name(HtmlEditorToolbarItem.InsertRowAbove);
items.Add().Name(HtmlEditorToolbarItem.InsertRowBelow);
items.Add().Name(HtmlEditorToolbarItem.DeleteRow);
items.Add().Name(HtmlEditorToolbarItem.InsertColumnLeft);
items.Add().Name(HtmlEditorToolbarItem.InsertColumnRight);
items.Add().Name(HtmlEditorToolbarItem.DeleteColumn);
})
)
.MediaResizing(m => m.Enabled(true))
)
<div class="options">
<div class="caption">Options</div>
<div class="option">
@(Html.DevExtreme().CheckBox()
.Value(true)
.Text("Multiline toolbar")
.OnValueChanged("change_multiline")
)
</div>
<div class="option">
<div class="label">Image upload tabs:</div>
@(Html.DevExtreme().SelectBox()
.ID("html-editor-sb")
.InputAttr("aria-label", "Tab")
.DataSource(new JS("tabs"))
.Value(new JS("tabs[2].Value"))
.OnValueChanged("change_tabs")
.ValueExpr("Value")
.DisplayExpr("Name")
)
</div>
</div>
<script>
function change_multiline(e) {
$("#html-editor")
.dxHtmlEditor("instance")
.option("toolbar.multiline", e.value.Value);
}
function change_tabs(e) {
$("#html-editor")
.dxHtmlEditor("instance")
.option("imageUpload.tabs", e.value);
}
var tabs = [
{ Name: 'From This Device', Value: ['file'] },
{ Name: 'From the Web', Value: ['url'] },
{ Name: 'Both', Value: ['file', 'url'] },
];
var markup = `
<h2>
<img src="../../Content/images/widgets/HtmlEditor.svg" alt="HtmlEditor" />
Formatted Text Editor (HTML Editor)
</h2>
<br>
<p>
DevExtreme JavaScript HTML Editor is a client-side WYSIWYG text editor that allows its users to format
textual and visual content and store it as HTML.
</p>
<p>Supported features:</p>
<ul>
<li>
Inline formats:
<ul>
<li><strong>Bold</strong>, <em>italic</em>, <s>strikethrough</s> text formatting</li>
<li>Font, size, color changes (HTML only)</li>
</ul>
</li>
<li>
Block formats:
<ul>
<li>Headers</li>
<li>Text alignment</li>
<li>Lists (ordered and unordered)</li>
<li>Code blocks</li>
<li>Quotes</li>
</ul>
</li>
<li>Custom formats</li>
<li>Mail-merge placeholders (for example, %username%)</li>
<li>Adaptive toolbar for working images, links, and color formats</li>
<li>Image upload: drag-and-drop images onto the form, select files from the file system, or specify a URL.</li>
<li>Copy-paste rich content (unsupported formats are removed)</li>
<li>Tables support</li>
</ul>
<br>
<p>Supported frameworks and libraries</p>
<table>
<tr>
<td><strong>jQuery</strong></td>
<td style="text-align: right;">v2.1 - v2.2 and v3.x</td>
</tr>
<tr>
<td><strong>Angular</strong></td>
<td style="text-align: right;">v7.0+</td>
</tr>
<tr>
<td><strong>React</strong></td>
<td style="text-align: right;">v16.2+</td>
</tr>
<tr>
<td><strong>Vue</strong></td>
<td style="text-align: right;">v2.6.3+</td>
</tr>
</table>
`;
</script>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Web.Mvc;
using DevExtreme.MVC.Demos.Models.SampleData;
namespace DevExtreme.MVC.Demos.Controllers {
public class HtmlEditorController : Controller {
public ActionResult Overview() {
return View();
}
}
}
.dx-htmleditor-content img {
vertical-align: middle;
padding-right: 10px;
}
.dx-htmleditor-content table {
width: 50%;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
display: inline-block;
margin-right: 40px;
}
.option > .dx-selectbox,
.option > .label {
display: inline-block;
vertical-align: middle;
}
.option > .label {
margin-right: 10px;
}
You can use the toolbar.multiline property to arrange the toolbar controls into multiple rows.
Users can resize media files when the mediaResizing is enabled. Currently, only images are supported.
To get started with the DevExtreme HTML Editor component, refer to the following tutorial for step-by-step instructions: Getting Started with HTML Editor.