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Overview

The ASP.NET Core Blazor Accordion is a container-based component with vertically collapsible panels (vertical accordion) and stacked headers that expand or collapse one or more panels at a time within the available space.


Expand and collapse

The Blazor Accordion component 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 or programmatically.

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.


Accordion templates

The Blazor Accordion component allows you to customize the header and content panel appearance using given HTML elements.


ASP.NET Core Blazor Accordion in data binding.

JSON array binding

The Blazor Accordion component can be rendered based on a JSON array collection of properties such as headers and content. Data binding can be achieved by an array collection of items.


Nested accordions

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


Accordion navigation menu

The Blazor Accordion component 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.


ASP.NET Core Blazor Accordion in touch mode.

Responsive accordion

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


Dynamic AJAX content

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

ASP.NET Core Blazor Accordion with dynamically loaded content through AJAX.


ASP.NET Core Blazor Accordion with animated panels.

Animation

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


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, which helps the Accordion component be accessed by on-screen readers and assistive devices.
  • Follows WAI-ARIA Best Practices for implementing keyboard interaction.
  • UI visual elements such as foreground color, background color, line spacing, text, and images were designed based on WCG 2.0 standard.

Built-in themes

The Blazor Accordion component 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.


Other supported frameworks

As a pure JavaScript component, our Accordion integrates easily with any web frameworks.


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