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The Blazor ListBox is a graphical user interface for displaying a list of items with multi-selection options. It has a rich appearance and allows users to select one or more items from the list using checkboxes or keyboard interactions. It has several out-of-the-box features, such as data binding, sorting, grouping, reordering, dragging and dropping, UI customization, and accessibility.

Data binding

You can bind data from a variety of data sources such as JSON data collections or remote data source using different kinds of adaptors such as OData, OData V4, URL, JSON, and Web API. This uses JavaScript data manager to manage data, and also has customization option for data request and processing.

Blazor List box with Data binding


Blazor ListBox selection is used to highlight the selected items. By default, multi-selection is enabled in the ListBox. You can also modify it to a single selection.

Single selection

When a user clicks or taps an item, Blazor ListBox enables the selection of the list item by default.

Multiple selection

The Blazor ListBox Component supports multiple selection using touch or keyboard actions.

Checkbox selection

Checkbox type selection allows you to select items using check boxes, and provision to select all items is also available.

Reordering of selected item

In Blazor ListBox, you can reorder selected items within the list. It can be moved up and down using keyboard interactions or toolbar action.

Blazor drag and drop ListBox

Dragging and Dropping of items

The Blazor ListBox allows you to drag and drop items between one or more list boxes. You can customize the placeholder and dragged item hint.


The Blazor ListBox toolbar allows you to perform predefined actions like,

  • Reordering: Moves selected items up or down.
  • Item transferring: Transfers selected or all items between connected list boxes.

Grouping with category

Group the list items with the corresponding category to pick an item quickly. It also increases the visual experience of the user.

UI customization with templates

The appearance (style) of each item displayed in the listbox can be customized.

Blazor List Box with HTML form validation

Blazor HTML form support

The Blazor ListBox is a form control that seamlessly supports HTML forms and obtains values on form submission.

Sortable list items

You can display items in the ascending or descending order in a list.

Web accessibility

  • Fully supports WAI-ARIA accessibility that makes a list view accessible to on-screen readers and assistive devices.
  • Follows WAI-ARIA best practices for implementing keyboard interaction.
  • Designed with UI element visuals such as foreground color, background color, line spacing, text, and images based on the WCAG 2.0 standard.
  • Supports right-to-left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Farsi.

Developer-friendly APIs

Developers can customize all UI elements and control their behaviors according to the end user’s requirement using the control’s rich set of client-side APIs.

Other supported frameworks

ListBox is also available in Angular, React, Vue and JavaScript frameworks that are built from their own TypeScript libraries. Check out the different ListBox platforms from the links below,

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