Embed any edit control to provide autocompletion functionality as you type in an editor.
Display information for each matching entry in multiple columns with a header in the autocomplete pop-up.
Its rich built-in feature set includes different autocompletion modes such as suggest and append, appearance customization.

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Overview

The WinForms Autocomplete component allows users to enable autocompletion functionality for any edit control. Multiple columns with a header in the autocomplete pop-up provide information for each matching entry. Its rich, built-in feature set includes different autocompletion modes such as suggest and append, appearance customization, and more.

Auto Append

The autocomplete control auto appends the top most item in the list to the text box.

autocomplete control

Data Source

An external datasource can be specified to be used as the history list.

WinForms AutoComplete Code Example

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

c#
using Syncfusion.Windows.Forms.Tools;
using System.Data;
namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            AutoComplete autoComplete = new AutoComplete();
            TextBox textBox = new TextBox();
            autoComplete.SetAutoComplete(textBox, Syncfusion.Windows.Forms.Tools.AutoCompleteModes.MultiSuggestExtended);
            autoComplete.ParentForm = this;
            DataTable dataTable = new DataTable("Table1");
            dataTable.Columns.Add("Famous place");
            dataTable.Columns.Add("Country");
            dataTable.Columns.Add("City");            
            dataTable.Rows.Add(new string[] { "Big Ben", "United Kingdom ", "London" });
            dataTable.Rows.Add(new string[] { "The white House", "USA", "Washington, D.C." });
            dataTable.Rows.Add(new string[] { "Rio de Janeiro", "Brazil", "Brasilia" });
            dataTable.Rows.Add(new string[] { "Eiffel Tower", "France", "Paris" });
            dataTable.Rows.Add(new string[] { "Moscow Kremlin", "Russia", "Moscow" });
            dataTable.Rows.Add(new string[] { "Taj Mahal", "India", "Delhi" });
            autoComplete.DataSource = dataTable;
            autoComplete.ShowColumnHeader = true;                                    
            this.Controls.Add(textBox);
        }
    }
}

Not sure how to create your first WinForms Autocomplete? Our documentation can help.

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Frequently Asked Questions

✅ Why should you choose Syncfusion WinForms Autocomplete?

The Syncfusion WinForms AutoComplete provides the following:

Embed any edit control to provide autocomplete function as you type in an editor.
Display information for each matching entry in multiple columns with a header in the autocomplete pop-up.
Its rich built-in feature set includes autocomplete modes such as suggest and append, and also appearance customization.
One of the best WinForms AutoComplete components in the market that offers a feature-rich UI.
Touch-friendly and responsive UI.
Simple configuration and API.
Extensive demos and documentation to learn quickly and get started with WinForms AutoComplete.

✅ Where can I find the Syncfusion WinForms Autocomplete demo?

You can find our WinForms Autocomplete demo on

GitHub location.

✅ Can I download and utilize the Syncfusion WinForms Autocomplete 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 WinForms Autocomplete?

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.

Excellent experience with Syncfusion!

Syncfusion is a product that makes life easier! I use it to create Blazor applications (server side and webassembly) and the controls speed up development a lot. Furthermore, if needed, it is possible to ask for direct support that is never long in coming!

Andrea Scarpante,

Sydea srl

The complete component set

It is the most complete component set available. Also very handy is the fact that there is a community edition, this gives me the opportunity to test thing at home without buying a separate license.