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Overview

The ASP.NET Core Blazor MultiSelect Dropdown is a quick replacement for the HTML select tag for selecting multiple values. HTML MultiSelect Dropdown is a textbox component that allows the user to type or select multiple values from a list of predefined options. It has several out-of-the-box features such as data binding, filtering, grouping, tagging with custom values, and checkbox mode.


Render modes

Various render modes are available to visualize selected items.

Blazor MultiSelect Dropdown with chip mode

Chip mode (box mode)

Selected items are displayed as a chip (box) type in the MultiSelect input box.

Blazor MultiSelect Dropdown with delimiter mode

Delimiter mode

The selected items are displayed with a delimiter character in the MultiSelect input box.

Blazor MultiSelect Dropdown with default rendering mode.

Hybrid mode(default mode)

By default, the selected items are displayed as chip type when the component is in focus. Otherwise, they’re displayed with a delimiter character.


Filtering and searching

The Blazor MultiSelect Dropdown has built-in filtering support with a rich set of filtering configurations available.

Blazor MultiSelect Dropdown with custom filtering Fuzzy search.

Custom filtering

The Blazor MultiSelect Dropdown filter query can be customized. You can also use your own filter libraries to filter data like Fuzzy search.

Blazor MultiSelect Dropdown filter with diacritic symbols.

The Blazor MultiSelect Dropdown component has built-in diacritic character sensitivity support. This behavior can be turned on or off.

Blazor MultiSelect Dropdown with case sensitivity.

Filter settings

The filter search can be customized with case sensitivity, and the number of characters needed to make the filter search can be set.


Blazor MultiSelect Dropdown with check boxes.

MultiSelect Dropdown check box

The Blazor MultiSelect Dropdown component has check box support. Enabling a check box on each item helps the user handle multiple selected values.


Selection limit

You can limit the number of items that can be selected in a drop-down.

Blazor MultiSelect Dropdown with value selection limit.


Chip customization

You can customize the selected chip (value) element appearance on value selection action.


Tagging custom value

Tag the new values that are not present in the predefined list.

Blazor MultiSelect Dropdown with tagging of custom values.


Blazor MultiSelect Dropdown with category grouping.

Grouping with category

Group the popup list items with the corresponding category which masks easy to pick the item quickly from the dropdown, also increase the visual experience of the user.


Pop-up dimension

The width and height of a pop-up option list are customizable.

Blazor MultiSelect Dropdown with pop-up dimension adjustment.


Blazor MultiSelect Dropdown with HTML form validation.

HTML form support

The Blazor MultiSelect Dropdown is a form component, seamlessly supporting HTML forms and obtaining values on form submission.


Sortable list items

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

Blazor MultiSelect Dropdown with item sorting.


Responsive MultiSelect Dropdown

A responsive mode gives an adaptive, redesigned UI appearance for mobile devices and recognizes touch gestures.

Developer-friendly APIs

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


Built-in themes

The Blazor MultiSelect component is shipped with several built-in themes such as material, bootstrap, fabric (Office 365), and high contrast. Customize any one of these built-in themes or create new themes by either simply overriding SASS variables or using our Theme Studio application.

Accessibility

  • Fully supports WAI-ARIA accessibility that makes list view accessible to on-screen readers and assistive devices.

  • Follows WAI-ARIA best practices best practices for implementing keyboard interaction.

  • Follows WCAG 2.0standard in design for the UI element visuals such as foreground color, background color, line spacing, text, and images.

  • Supports right-to-left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.


Other supported frameworks

As a pure JavaScript component, our MultiSelect Dropdown integrates easily with any web framework.


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