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Version Q2 2011 released 07/12/2011
select

ComboBox / Accessibility

Accessibility validation

Validate with WAVE

WAVE is a free web accessibility evaluation tool, which checks for compliance issues with many of the Section 508 and WCAG guidelines. Have in mind that only humans can determine whether a web page is accessible - the above validation link is provided for the sake of completeness.


  • This example shows the accessibility features of RadComboBox for ASP.NET AJAX. RadComboBox has keyboard navigation enabled as well as its ToolTip property set.

    The control is also visible in Windows High Contrast mode when using Simple skin and when ShowToggleImage property is disabled.

    Telerik RadComboBox for ASP.NET AJAX is level AA accessible (in compliance with the W3C Web Accessibility Guidelines 2.0) as well as Section 508 compliant.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="vb" CodeFile="DefaultVB.aspx.vb" AutoEventWireup="false" Inherits="Telerik.Web.Examples.ComboBox.Accessibility.DefaultVB" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head id="Head1" runat="server">
        <qsf:HeadTag ID="Headtag1" runat="server"></qsf:HeadTag>
    </head>
    <body class="BODY">
        <form id="mainForm" method="post" runat="server">
        <telerik:RadScriptManager ID="ScriptManager" runat="server" />
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" XhtmlCompliant="False"
            ShowSkinChooser="false"></qsf:Header>
        <div>
            <telerik:RadComboBox ID="RadComboBox1" runat="server" Width="250px" Height="150px"
                ShowToggleImage="false" EmptyMessage="Select a Company" DataSourceID="SqlDataSource1"
                DataTextField="CompanyName" DataValueField="CompanyName" EnableAutomaticLoadOnDemand="True"
                ItemsPerRequest="10" ToolTip="People ComboBox" ShowMoreResultsBox="true" EnableVirtualScrolling="true"
                Skin="Simple" AccessKey="T" TabIndex="1" MarkFirstMatch="true">
            </telerik:RadComboBox>
            <asp:SqlDataSource runat="server" ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
                ProviderName="System.Data.SqlClient" SelectCommand="SELECT [CompanyName] from [Customers] ORDER By [CompanyName]" />
        </div>
        <div style="clear: both;">
            <h3>
                Accessibility validation</h3>
            <asp:LinkButton ID="LinkButton1" runat="server" OnClick="LinkButton1_Click">Validate with WAVE</asp:LinkButton>
            <p>
                WAVE is a free web accessibility evaluation tool, which checks for compliance issues
                with many of the Section 508 and WCAG guidelines. Have in mind that only humans
                can determine whether a web page is accessible - the above validation link is provided
                for the sake of completeness.</p>
        </div>
        <qsf:Footer ID="Footer1" runat="server"></qsf:Footer>
        </form>
    </body>
    </html>

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