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AccordionControl.HtmlTemplates Property

Contains HTML-CSS templates used to render the control’s UI elements.

Namespace: DevExpress.XtraBars.Navigation

Assembly: DevExpress.XtraBars.v23.2.dll

NuGet Package: DevExpress.Win.Navigation


public AccordionControlHtmlTemplates HtmlTemplates { get; }

Property Value

Type Description

An object that contains HTML-CSS templates used to render the control’s UI elements.


Use HTML-CSS Templates to Render UI Elements

AccordionControl allows you to use your knowledge of HTML and CSS markup to render the control’s UI elements. A template’s HTML markup specifies an element’s contents, while the template’s CSS code specifies style, display, and layout settings applied to the element.

Custom HTML Templates for the Accordion Control

AccordionControl exposes a set of properties (accessible from the AccordionControl.HtmlTemplates object) to specify HTML-CSS templates to render the control’s elements:

Display Element’s Text, Images, and Custom Data

When you specify templates for AccordionControl elements, you can use the data binding syntax (${PropertyName}) to display text, images, and custom values (AccordionControlElementBase.Tag) of these elements.

${Text} — Inserts an element’s text (AccordionControlElementBase.Text).

${Image} — Inserts an element’s image specified in the AccordionControlElementBase.ImageOptions object. Use the img tag to insert an image, for example, as follows: <img src="${Image}".

For example, the following HTML markup defines a div container that displays an element’s image followed by its text:

<div class="item">
    <div class="item_layout">
        <img class="item_image" src="${Image}">
        <div class="item_text">${Text}</div>

You can also use the ${MyField1} syntax to mark an element as bound to a custom data source. The actual data for this element is set in the QueryHtmlElementData event handler.

<div class="acc_item">${MyField1}</div>
private void OnQueryHtmlElementData(object sender, QueryAccordionHtmlElementDataEventArgs e) {
    if (e.FieldName == "MyField1") {
        e.Value = "CustomData";
See Also