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The Blazor AutoComplete (or typeahead) is a text box component 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, and accessibility.


Built-in filtering support in the Blazor AutoComplete dropdown includes a rich set of filtering options to meet all your application needs.

Blazor AutoComplete with Filter type

Filter type

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

Blazor 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.

Blazor AutoComplete with Diacritic-sensitive search

The typeahead component supports diacritic character-sensitive searching. This behavior can be turned on or off.

Blazor AutoComplete with Limit suggestion items

Limit suggestion items

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

Blazor AutoComplete with Ignore filter text casing

Ignore filter text casing

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

Blazor AutoComplete with Minimum filter characters length

Minimum filter characters

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

Highlight matched text

The high-performance Blazor AutoComplete control lets you configure different visual appearances for the matching text of each suggestion.

Blazor AutoComplete with Highlight matched text

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

Blazor AutoComplete with Autofill Search


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

Blazor AutoComplete with Grouping

Suggestion list

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

Blazor AutoComplete with Dimension customization

Dimension customization

The width and height of the suggestion list is adjustable.

Blazor 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 to some other component, such as a DataGrid.

Blazor AutoComplete with Floating label

Floating labels

Developers can control whether the placeholder should float.

Forms support

The C# Blazor AutoComplete control seamlessly supports HTML5 forms, Angular template-driven forms, and Angular reactive forms.

Mobile-friendly, responsive UI

The Blazor AutoComplete control provides a responsive mode that displays an adaptive, redesigned UI for mobile devices that recognizes touch gestures.

Web accessibility

  • Fully supports WAI-ARIA accessibility standards that make the AutoComplete component 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) rendering 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.

Blazor AutoComplete Code Example

Easily get started with the Blazor AutoComplete using a few simple lines of C# code example as demonstrated below. Also explore our Blazor AutoComplete Example that shows you how to render and configure the Blazor AutoComplete component.

@using Syncfusion.Blazor.DropDowns

<SfAutoComplete TValue="string" TItem="GameFields" Placeholder="e.g. Basketball" DataSource="@Games">
    <AutoCompleteFieldSettings Value="Text"/>

    public class GameFields
        public string ID { get; set; }
        public string Text { get; set; }
    public List<GameFields> Games = new List<GameFields>()
        new GameFields(){ ID= "Game1", Text= "American Football" },
        new GameFields(){ ID= "Game2", Text= "Badminton" },
        new GameFields(){ ID= "Game3", Text= "Basketball" },
        new GameFields(){ ID= "Game4", Text= "Cricket" },
        new GameFields(){ ID= "Game5", Text= "Football" },
        new GameFields(){ ID= "Game6", Text= "Golf" },
        new GameFields(){ ID= "Game7", Text= "Hockey" },
        new GameFields(){ ID= "Game8", Text= "Rugby"},
        new GameFields(){ ID= "Game9", Text= "Snooker" },
        new GameFields(){ ID= "Game10",Text= "Tennis"}

Other supported frameworks

The AutoComplete control is also available in the Angular, React, Vue, and JavaScript frameworks, which were built with their own TypeScript libraries. Check out the different AutoComplete platforms from the links below.

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Frequently Asked Questions

Syncfusion Blazor AutoComplete provides the following features:

  • High-performance loading and searching for huge volumes of data.
  • One of the best Blazor AutoComplete in the market that offers feature-rich UI to interact with the software.
  • Built-in support for autofill (auto-suggest), hierarchical data binding, highlighted search, and custom search (fuzzy search).
  • Easy integration with other controls such as the DataGrid for modern web and mobile applications.
  • Simple configuration and API.
  • Supports all modern browsers.
  • Mobile-touch friendly and responsive.
  • Extensive demos, documentation and video to learn quickly and get started with Blazor AutoComplete component.

We do not sell the Blazor AutoComplete separately. It is only available for purchase as part of the Syncfusion team license. This contains over 1,800 components and frameworks, including the Blazor AutoComplete. 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.

You can find our Blazor AutoComplete demo here.

No, our 1,800+ components and frameworks for web, mobile, and desktop, including our Blazor AutoComplete, 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 AutoComplete component 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.

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.

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

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