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The ASP.NET Core Floating Action Button (ASP.NET Core FAB) is an extension of the ASP.NET Core Button that appears in front of all contents of a screen and performs a primary action. It supports several built-in features, such as icons, predefined styles, different button sizes, and UI customization.

ASP.NET Core Floating Action Button with Grid Control


The ASP.NET Core Floating Action Button can be positioned on the page or a specific target.

ASP.NET Core FAB positioning

ASP.NET Core FAB with different predefined styles

Predefined styles

Several predefined styles are available in the ASP.NET Core Floating Action Button:

  • Primary
  • Secondary
  • Outline
  • Info
  • Success
  • Warning
  • Danger

You can use any of these styles based on the context of your application.

Icon with text button

In ASP.NET Core FAB, use a button with an icon to the right or left of button text or choose an icon-only button.

ASP.NET Core FAB icon with text button

Built-in themes

The ASP.NET Core Floating Action Button supports several built-in themes such as Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, Fluent, and high contrast. Users can customize these built-in themes or create new ones to achieve their desired look and feel by simply overriding SASS variables or using our Theme Studio application.

Web accessibility

  • Fully supports WAI-ARIA accessibility practices to work with screen readers and assistive devices.
  • Follows WAI-ARIA best practices for implementing keyboard interaction.
  • Based on WCAG 2.0 standards, UI visual elements such as foreground color, background color, line spacing, text, and images are designed.
  • Supports right-to-left (RTL) text direction for users working with RTL languages like Hebrew, Arabic, or Persian.

Developer-friendly APIs

The ASP.NET Core Floating Action Button (FAB) control offers a range of APIs that allows developers to customize its appearance and behavior. With these APIs, developers can create a unique and highly personalized FAB that fits seamlessly into their applications.

ASP.NET Core Floating Action Button Code Example

Easily get started with the ASP.NET Core Floating Action Button using a few simple lines of C# example as demonstrated below. Also explore our ASP.NET Core Floating Action Button Example that shows you how to render and configure a FAB in ASP.NET Core.

<div class="control-section">
    <ejs-fab id="fab" content="Add"></ejs-fab>

Other supported frameworks

The Floating Action Button component is also available in Blazor, Angular, React, Vue, and JavaScript frameworks. Check out the component on other platforms using these links:


Frequently Asked Questions

  • Provides a floating button that appears over all the contents of a webpage to perform the primary screen action.
  • Place the FAB in predefined positions.
  • Includes primary, success, warning, info, and danger button styles.
  • Use one of the best ASP.NET Core Floating Action Buttons on the market, offering a feature-rich UI.
  • Enjoy simple configuration and API.
  • Supports all modern browsers.
  • Expansive learning resources such as demos and documentation to let you get started quickly with ASP.NET Core Floating Action Button.

You can find our ASP.NET Core Floating Action Button demo, which demonstrates how to render and configure the Floating Action Button.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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