Syncfusion jQuery no longer in active development. Switch to our pure JavaScript based next generation Essential JS 2 .

Try Essential JS 2

Fully-featured collapsible panels (panel bar) with stacked headers.
Animated expand and collapse panels.
Easy incorporation into modern layout web applications.

Trusted by the world’s leading companies

ASP.NET accordion

VIEW DEMOS

Overview

The ASP.NET Accordion control provides vertically collapsible panels (vertical accordion) and stacked headers that expand or collapse one or more panels at a time within the available space.

Accordion

Accordion template

Accordion templates

The ASP.NET Accordion control allows you to customize the header and content panel appearance using given HTML elements.

Accordion header customization documentation

Expand and collapse

The ASP.NET Accordion control allows you to customize the expand and collapse actions.

Expand mode

A single panel or multiple panels can expand or collapse (panel toggle) at a time by clicking the panel header (interactions) or programmatically.

Accordion expand type documentation

Accordion on expand

Accordion on collapse

Collapsible mode

Collapse all the panels at once. With customization options, a specific panel is set to be in an open state while the rest of the panels are collapsed.

Nested accordions

Add nested levels of the collapsible panel within the parent accordion.

Nested accordion example

Nested Accordion in ASP.NET

Accordion with navigation menu

The ASP.NET Accordion control can use a nested vertical (hierarchical) navigation menu with links, including external links, in the accordion header.

Icon support

Add prefix icons or images to the panel header. The default expand and collapse icon used in the header is customizable.

Accordion icons example

Accordion with icon

Accordion with responsive

Responsive accordion

The ASP.NET Accordion control adapts responsively in devices based on the available space for modern web and mobile applications.

Dynamic AJAX content

The ASP.NET Accordion allows you to load external content dynamically to a panel using the AJAX library.

Accordion AJAX content example

Accordion with AJAX content

Accordion with animation

Animation

The ASP.NET collapsible panels support several types of built-in fancy animation for panel expanding and collapsing actions. Animation behavior is customizable.

Custom animation documentation

Developer-friendly APIs

Developers can control the appearance and behavior of accordions using a rich set of APIs.

State persistence

During browser navigation, the expanded or collapsed state of an accordion persists.

Accessibility

Fully supports WAI-ARIA accessibility that helps the accordion control be accessed by on-screen readers and assistive devices.
Follows WAI-ARIA Best Practices for implementing keyboard interaction.
Designed the UI element visuals such as foreground color, background color, line spacing, text and images based on WCG 2.0 standard.

Built-in themes

The ASP.NET Accordion control is shipped with several built-in themes such as material, bootstrap, fabric (Office 365), and high contrast. Users can customize any one of these built-in themes or create new themes by either simply overriding SASS variables or using our Theme Studio application.