ASP.NET Core Dropdown List Control

Overview

The ASP.NET Core Dropdown List is a quick replacement of the HTML select tags. It has a rich appearance and allows users to select a single value that is non-editable from a list of predefined values. It has several out-of-the-box features, such as data binding, filtering, grouping, UI customization, accessibility, and preselected values.

ASP.NET Core Dropdown List with Data binding

Data binding

You can bind data from a variety of data sources in an array from primitive data, JSON data collections, or a remote data source using different kinds of adaptors such as OData, OData V4, URL, JSON, and Web API. The control uses the data manager to manage data and has customization options for data requests and processing.

Dropdown List data binding example

Dropdown List data binding documentation

Filtering and searching drop-down lists

The ASP.NET Core Dropdown List Control has built-in filtering support with a rich set of filtering configurations available to match all your application needs. Enable the filtering functionality to show the search input box in the drop-down pop-up list.

Dropdown List filtering example

ASP.NET Core Dropdown List with custom filtering like Fuzzy search.

Custom filtering

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

ASP.NET Core Dropdown List filter with diacritic symbols.

Diacritic sensitive search

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

Diacritic search example

ASP.NET Core Dropdown List with case sensitivity

Filter settings

The filtered search can be customized with case sensitivity, and you can set the number of characters required to make a filtered search.

Filter setting documentation

UI customization with templates

The appearance (style) of each item displayed in the selection pop-up list, header and footer of the selection pop-up list, and the drop-down input box (select box) can be customized.

Dropdown List template example

ASP.NET Core Dropdown List with Header template in selection list.

Header template

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

Header template documentation

ASP.NET Core Dropdown List with item template.

Item template

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

Item template documentation

ASP.NET Core Dropdown List with footer template in selection list.

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

Footer template documentation

ASP.NET Core Dropdown List with value template.

Value template

Define a custom appearance for a selected value in the drop-down input box using a value template.

Value template documentation

ASP.NET Core Dropdown List with empty record template.

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 Dropdown List with selection list items icon.

Drop-down icons

Each list item of the pop-up list is configurable with a custom icon to improve readability and visualization.

Dropdown List icons example

Cascading drop-down list

Create a cascading drop-down list to help the user populate data to the next-level drop-downs based on the selected value of the parent Dropdown List.

Cascading drop-down list documentation

ASP.NET Core Dropdown List with category grouping.

Grouping with category

Group the pop-up list items with the corresponding category, making it easy to pick an item quickly from the select drop-down and increase the visual experience of the user.

Dropdown List grouping documentation

HTML form support

The Dropdown List is a form control that seamlessly supports HTML forms and obtains values on form submission actions.

ASP.NET Core Dropdown List with HTML form validation.

ASP.NET Core Dropdown List with selection popup dimension adjustment.

The width and height of the pop-up option list is customizable.

Dropdown list pop-up dimension documentation

Sortable list items

You can display items in ascending or descending order in a pop-up select option list.

SortOrder API

ASP.NET Core Dropdown List with sorting.

ASP.NET Core Dropdown List with floating label.

Drop-down floating label

The ASP.NET Core Dropdown List control placeholder can float like a martial design with impressive animation.

FloatLabelType API

Responsive drop-down list

The control provides a responsive mode that gives an adaptive, redesigned UI appearance to mobile devices and is at ease with touch actions.

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.

Dropdown List keyboard shortcut documentation

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.

Dropdown List APIs documentation

Other supported frameworks

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

Frequently Asked Questions

✅ Why should you choose Syncfusion ASP.NET Core Dropdown List?

A quick replacement of the HTML select tag.
Built-in support for filtering, hierarchical data binding, grouping, and UI customization with templates.
Supports standard Syncfusion themes which include Bootstrap v5 and Tailwind CSS.
Display floating labels, sortable list items, and customizable popup dimensions.
Highly customizable interface with web accessibility features.
Ability to create a cascading drop-down list that helps users populate data to the next level drop-down based on the selected value of the parent.
Simple configuration and API.
Supports all modern browsers.
Mobile-touch friendly and responsive.
One of the best ASP.NET Core Dropdown List 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 Dropdown List.

✅ Where can I find the Syncfusion ASP.NET Core Dropdown List demo?

You can find our ASP.NET Core Dropdown List demo here.

✅ Can I download and utilize the Syncfusion ASP.NET Core Dropdown List 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 and five or fewer developers.

✅ How do I get started with Syncfusion ASP.NET Core Dropdown List?

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

Rated by users across the globe

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.