ASP.NET Core MultiSelect Dropdown Control

Overview

The ASP.NET Core MultiSelect Dropdown is a quick replacement for the HTML select tag for selecting multiple values. HTML MultiSelect Dropdown is a textbox control 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.

Data binding

You can bind data from a variety of data sources like an array of primitive data, JSON data collections, or a remote data source using various kinds of adaptors such as OData, OData V4, URL, JSON, and Web API. This uses ASP.NET Core data manager to manage data and has customization option for data request and processing.

MultiSelect data binding example

MultiSelect data binding documentation

ASP.NET Core MultiSelect Dropdown with data binding

Render modes

Various render modes are available to visualize selected items.

MultiSelect render mode example

ASP.NET Core MultiSelect Dropdown with chip mode

Chip mode (box mode)

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

ASP.NET Core MultiSelect Dropdown with delimiter mode

Delimiter mode

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

ASP.NET Core MultiSelect Dropdown with default rendering mode.

Hybrid mode(default mode)

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

Filtering and searching

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

MultiSelect Dropdown filtering example

ASP.NET Core MultiSelect Dropdown with custom filtering Fuzzy search.

Custom filtering

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

ASP.NET Core MultiSelect Dropdown filter with diacritic symbols.

Diacritic sensitive search

The ASP.NET Core MultiSelect Dropdown control has built-in diacritic character sensitivity support. This behavior can be turned on or off.

Diacritic search example

ASP.NET Core 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.

Filter setting documentation

UI customization with templates

Use templates to change the appearance of the selection pop-up list items, the header and footer of the selection pop-up list, and the Multiselect Dropdown input box selected values.

MultiSelect Dropdown template example

ASP.NET Core MultiSelect Dropdown with header template in pop-up list.

Header template

Design your own header for a pop-up list using a header template.

Header template documentation

ASP.NET Core MultiSelect Dropdown with item template in pop-up list.

Item template

Define the custom appearance of each list item using an item template.

Item template documentation

ASP.NET Core MultiSelect Dropdown with footer template in pop-up list.

Design your own custom footer for a pop-up list using footer template.

Footer template documentation

ASP.NET Core MultiSelect Dropdown with value template.

Value template

Define the custom appearance of selected values using a value template.

Value template documentation

ASP.NET Core MultiSelect Dropdown with no record template in pop-up list.

Empty record template

Configure the custom look of a pop-up list when no items are available to display in the filter search functionality.

Empty record template documentation

ASP.NET Core MultiSelect Dropdown list items with icons.

MultiSelect items icons

Each list item of a pop-up list can be configured with a custom icon or image to improve readability and visualization.

MultiSelect items icons documentation

ASP.NET Core MultiSelect Dropdown with check boxes.

The ASP.NET Core MultiSelect Dropdown control has check box support. Enabling a check box on each item helps the user handle multiple selected values.

MultiSelect Dropdown with check box example

MultiSelect Dropdown with check box documentation

Selection limit

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

Selection limit example

ASP.NET Core MultiSelect Dropdown with value selection limit.

Chip customization

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

Chip customization example

Tagging custom value

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

MultiSelect tagging example

ASP.NET Core MultiSelect Dropdown with tagging of custom values.

ASP.NET Core 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.

MultiSelect Dropdown grouping example

Pop-up dimension

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

ASP.NET Core MultiSelect Dropdown with pop-up dimension adjustment.

ASP.NET Core MultiSelect Dropdown with HTML form validation.

HTML form support

The ASP.NET Core MultiSelect Dropdown is a form control, 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.

SortOrder API

ASP.NET Core MultiSelect Dropdown with item sorting.

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.

Multiselect API

Built-in themes

The ASP.NET Core MultiSelect control is shipped with several built-in themes such as material, bootstrap, fabric (Office 365), Tailwind CSS, 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.

Keyboard shortcut documentation

Other supported frameworks

MultiSelect DropDown is also available in Blazor, Angular, React, Vue, and JavaScript frameworks. Check out the different MultiSelect DropDown platforms from the links below,

Frequently Asked Questions

✅ Why should you choose Syncfusion ASP.NET Core MultiSelect DropDown?

A quick replacement of the HTML select element with multiple selection.
Built-in check box support with a Select All option for easy interactions.
Built-in support for filtering, hierarchical data binding, grouping, tagging, selection limits, and UI customization with templates.
Supports standard Syncfusion themes which include Bootstrap v5 and Tailwind CSS.
Allows multiple render modes, floating labels options, sortable list items, and customizable popup dimension.
Highly customizable interface with web accessibility features.
Simple configuration and API.
Supports all modern browsers.
Mobile-touch friendly and responsive.
One of the best ASP.NET Core MultiSelect DropDown in the market that offers feature-rich UI to interact with the software.
Extensive demos and documentation to learn quickly and get started with ASP.NET Core MultiSelect DropDown.

✅ What is the price for Syncfusion ASP.NET Core MultiSelect DropDown?

We do not sell the ASP.NET Core MultiSelect DropDown separately. It is only available for purchase as part of the Syncfusion team license. This contains over 1,800 components and frameworks, including the ASP.NET Core MultiSelect DropDown. The price of the team license starts at $395 per month for 5 developers, and includes support and updates until the subscription expires. In addition, we might offer discounts based on currently active promotions. Please contact our product specialists today to see if you qualify for any additional discounts.

✅ Where can I find the Syncfusion ASP.NET Core MultiSelect DropDown demo?

You can find our ASP.NET Core MultiSelect DropDown demo here.

✅ Can I purchase the Syncfusion ASP.NET Core MultiSelect DropDown component separately?

No, our 1,800+ components and frameworks for web, mobile, and desktop, including our ASP.NET Core MultiSelect DropDown, are not sold individually. They are only available as part of a team license. However, we have competitively priced the product, so it only costs a little bit more than what some other vendors charge for their MultiSelect DropDown control alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 1,800+ components and frameworks for a subscription fee that starts at $395 per month for a team of 5 developers. Additionally, we might be able to offer discounts based on currently active promotions. Please contact our product specialists today to see if you qualify for any additional discounts.

✅ Can I download and utilize the Syncfusion ASP.NET Core MultiSelect DropDown for free?

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, 5 or fewer developers, and 10 or fewer total employees.

✅ How do I get started with Syncfusion ASP.NET Core MultiSelect DropDown?

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

Great and flexible controls to build web applications

Controls meet specifications to develop web applications (ASP.NET MVC and Core in my case) and provide a lot of features to develop world-class software. There are options for other frameworks/platforms. Support is excellent which makes me feel very confident when facing trouble, they provide answers in 24 hours. Support team will make a big effort to solve your issues and they are ready for a phone call and to remotely connect to your PC.

Jorge M,

Founder and Software Architect, Small-Business

Great tool, saves alot of time, and great support

Syncfusion really makes it simple to implement features that would take a ton of time and effort to create. When you're building your site, the UI can take a ton of time away from building the core app. With Syncfusion's tools it reduces that effort significantly so you can get back to building the core elements.

Walter T,

Founder, Small-Business

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