The ASP.NET Core Blazor Dialog is a useful user interface (UI) component for informing users about critical information, errors, warnings, and questions, as well as confirming decisions and collecting input from users. The component has a rich set of built-in features such as action buttons, positioning, animations, dragging, resizing, templating, and more with mobile dialog support. The dialog provides two different types: modal dialogs and non-modal dialogs (modeless) based on interactions.
The Blazor dialog component comes with two different types of dialogs, modal and non-modal (modeless):
The Blazor dialog component provides built-in support to perform actions through buttons, which define necessary callback functions to handle user input.
Users can position a dialog wherever they want in a page. It is easy to configure this through built-in positions or any custom axis value (for example, top left, bottom right, top right, bottom left, 100 75, etc.).
The modal dialog can be moved anywhere in a page by dragging its header, which performs using the Draggable library.
Modal dialogs create overlays on open modal windows that provide options for a user to control the closing behavior of a dialog while interacting with it.
Users can launch multiple dialogs simultaneously or one above the other based on their z-index (z-depth) to make additional dialogs (nested modal dialogs).
A variety of smooth, built-in animations are available to configure for the opening and closing of modal dialogs. They perform based on CSS3 animation from the Animation library.
The modal dialog can be closed by clicking on a close icon, with an overlay click, or by pressing the ESC key. Users can restrict the closing behavior of a dialog based on its callback function parameters, also.
The Blazor dialog component supports right-to-left (RTL) rendering. Users can change the text direction and layout of the dialog component from right to left. This improves the user experience and accessibility for those who use RTL languages.
Fully supports WAI-ARIA accessibility, which helps dialogs be accessed by on-screen readers and assistive devices.
Follows WAI-ARIA Best Practices for implementing keyboard interaction.
The UI element visuals such as foreground color, background color, line spacing, text, and images were designed based on the WCAG 2.0 standard.
The Blazor dialog component is highly configurable to make mobile dialogs and better user experiences across phone, tablet, and desktop form factors.
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