We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy. Image for the cookie policy date
Unfortunately, activation email could not send to your email. Please try again.
Syncfusion Feedback

Trusted by the world’s leading companies

Syncfusion Trusted Companies


The ASP.NET Core AutoComplete is a textbox control that provides a list of suggestions to select from as the user types. It has several out-of-the-box features such as data binding, filtering, grouping, UI customization, accessibility, and more.

ASP.NET Core AutoComplete with data binding

Data binding

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


Built-in filtering support includes a rich set of filtering options that is available to meet all your application needs.

ASP.NET Core AutoComplete with Filter type

Filter type

Filter data based on starts with, ends with, and contains predicates.

ASP.NET Core AutoComplete with Custom filtering

Custom filtering

You can customize the built-in filter query or use your own custom filter libraries to populate the data.

ASP.NET Core AutoComplete with Diacritic-sensitive search

The ASP.NET Core AutoComplete with rich UI supports diacritic character-sensitive searching. This behavior can be turned on or off.

ASP.NET Core AutoComplete with Limit suggestion items

Limit suggestion items

Limit the number of suggestions to be displayed in the filtered data list.

ASP.NET Core AutoComplete with Ignore filter text casing

Ignore filter text casing

You can filter data with or without using case sensitivity for typed characters.

ASP.NET Core AutoComplete with Minimum filter characters length

Minimum filter characters

Set a number of characters required to begin filtering and populating the data.

Highlight matched text

You can configure different visual appearances for the matching text of each suggestion.

ASP.NET Core AutoComplete with Highlight matched text

The ASP.NET Core AutoComplete control has an autofill search option that completes the word that the user types based on the suggestion text, allowing the end user to search for items easily.

ASP.NET Core AutoComplete with Autofill Search


Group the suggestions based on logically grouped categories with individual headers.

ASP.NET Core AutoComplete with Grouping

UI customization

Customize the appearance of each item displayed in the suggestion list with templating.

ASP.NET Core AutoComplete with Item template

Item template

Define a custom appearance for each suggestion item by using item templates.

ASP.NET Core AutoComplete with Header template in suggestion list

Header template

Design a header for the suggestion list using a header template.

ASP.NET Core AutoComplete with Footer template in suggestion list

Design a custom footer for the suggestion list using a footer template.

ASP.NET Core AutoComplete with Icons in suggestion list


Add icons to each suggestion item, like countries with flag icons.

ASP.NET Core AutoComplete with Empty record template in suggestion list

Empty record

Provide an option with a custom appearance if there are no search suggestions to display.

Suggestion list

Generate a suggestion list for users as they type in the input textbox.

ASP.NET Core AutoComplete with Dimension customization

Dimension customization

The width and height of the suggestion list is adjustable.

ASP.NET Core AutoComplete with Hide or avoid suggestion list

Hide or avoid suggestion list

It is possible to hide the default suggestion list and bind the search result onto some other control, such as a data grid.

ASP.NET Core AutoComplete with Floating label

Floating label

Developer can control whether the placeholder should float.

Forms support

Seamlessly supports HTML5 forms, Angular template-driven forms, and Angular reactive forms.

Mobile-friendly, responsive UI

Provides a responsive mode that displays an adaptive redesigned UI for mobile devices that recognizes touch gestures.

Other supported frameworks

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

Web accessibility

  • Fully supports WAI-ARIA accessibility standards that make the AutoComplete control accessible to screen readers and assistive devices.
  • Follows WAI-ARIA best practices for implementing keyboard interaction.
  • Designs the 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 Persian.

Developer-friendly APIs

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


Frequently Asked Questions

  • High-performance loading and searching for autocomplete suggestions in huge volumes of data.
  • Easy integration with other controls such as the DataGrid for modern web and mobile applications.
  • Built-in support for autofill (auto-suggest), hierarchical data binding, highlighted search, and custom search (fuzzy search).
  • Supports standard Syncfusion themes which include Bootstrap v5 and Tailwind CSS.
  • Display floating labels, templated suggestion list and customizable popup dimension.
  • Highly customizable interface with web accessibility features.
  • One of the best ASP.NET Core AutoComplete component in the market that offers a feature-rich UI.
  • Simple configuration and API.
  • Supports all modern browsers.
  • Mobile-touch friendly and responsive.
  • Extensive demos and documentation to learn quickly and get started with ASP.NET Core AutoComplete

You can find our ASP.NET Core AutoComplete demo here.

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.

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

Our Customers Love Us

Having an excellent set of tools and a great support team, Syncfusion reduces customers’ development time.
Here are some of their experiences.

Rated by users across the globe

Transform your applications today by downloading our free evaluation version Download Free Trial


Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

Up arrow icon

Warning Icon You are using an outdated version of Internet Explorer that may not display all features of this and other websites. Upgrade to Internet Explorer 8 or newer for a better experience.Close Icon

Live Chat Icon For mobile