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Keyboard Support

Keyboard Support

RadMultiColumnCombobox provides with built-in keyboard support and can be used as soon the control gets focused. You can focus it by iterating through the Page controls using the Tab key, alternatively, you can use a shortcut if you set the AccessKey property.

<telerik:RadMultiColumnComboBox runat="server" ID="RadMultiColumnComboBox1" AccessKey="w"></telerik:RadMultiColumnComboBox>
  • Under IE and Chrome use alt + AccessKey
  • Under Firefox use Shift + Alt + AccessKey


  • alt + Access Key focuses the widget
  • up arrow highlights previous item
  • down arrow highlights next item
  • home highlights first item
  • end highlights last item
  • page up scrolls the popup up
  • page down scrolls the popup down
  • enter selects highlighted item
  • esc closes the popup / clears value if popup is not opened
  • alt + down arrow opens the popup
  • alt + up arrow closes the popup
  • DefaultCS.aspx
  • scripts.js
  • styles.css
<%@ Page Language="c#" AutoEventWireup="true"  %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>

<!DOCTYPE html>
<html xmlns=''>
<head runat="server">
    <title>Telerik ASP.NET Example</title>
    <link href="styles.css" rel="stylesheet" />
    <script src="scripts.js"></script>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <div class="demo-container size-thin" runat="server">
        <telerik:RadMultiColumnComboBox runat="server" ID="RadMultiColumnComboBox1" DataSourceID="SqlDataSource1"
            DropDownWidth="600px" Height="400px" Width="100%"
            FilterFields="ContactName, ContactTitle, CompanyName"
            DataTextField="ContactName" DataValueField="CustomerID"
            Placeholder="select from the dropdown or type">
                <telerik:MultiColumnComboBoxColumn Field="ContactName" Title="Name" Width="200px">
                       <div class='customer-photo'
                            style='background-image: url(../../img/northwind/Customers/thumbs/#:data.CustomerID#.jpg);'></div>
                            <span class='customer-name'>#: ContactName #</span>
                <telerik:MultiColumnComboBoxColumn Field="ContactTitle" Title="Title" Width="200px" />
                <telerik:MultiColumnComboBoxColumn Field="CompanyName" Title="Company" Width="200px" />
            <ClientEvents OnSelect="OnSelectHandler" />

        <div id="result" style="display: none;">You have selected <span id="nameSpan"></span> who is a <span id="titleSpan"></span> at <span id="companySpan"></span>.</div>

        <asp:SqlDataSource runat="server" ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
            SelectCommand="SELECT Top 20 [CustomerID], [ContactName], [ContactTitle], [CompanyName] FROM [Customers]"></asp:SqlDataSource>

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