<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>

<!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 runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <telerik:RadComboBox ID="RadComboBox1" runat="server" OnSelectedIndexChanged="RadComboBox1_SelectedIndexChanged" AutoPostBack="True" MarkFirstMatch="True">
            <Items>
                <telerik:RadComboBoxItem runat="server" Text="RadComboBoxItem1" />
                <telerik:RadComboBoxItem runat="server" Text="RadComboBoxItem2" />
                <telerik:RadComboBoxItem runat="server" Text="RadComboBoxItem3" />
                <telerik:RadComboBoxItem runat="server" Text="RadComboBoxItem4" />
                <telerik:RadComboBoxItem runat="server" Text="RadComboBoxItem5" />
            </Items>
            <CollapseAnimation Duration="200" Type="OutQuint" />
        </telerik:RadComboBox>
        <telerik:RadAjaxManager ID="RadAjaxManager" runat="server">
            <AjaxSettings>
                <telerik:AjaxSetting AjaxControlID="RadComboBox1">
                    <UpdatedControls>
                        <telerik:AjaxUpdatedControl ControlID="TextBox1" />
                    </UpdatedControls>
                </telerik:AjaxSetting>
                <telerik:AjaxSetting AjaxControlID="RadAjaxManager">
                    <UpdatedControls>
                        <telerik:AjaxUpdatedControl ControlID="RadComboBox1" />
                        <telerik:AjaxUpdatedControl ControlID="TextBox1" />
                    </UpdatedControls>
                </telerik:AjaxSetting>
            </AjaxSettings>
        </telerik:RadAjaxManager>
        <div>
            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></div>
    </form>
</body>
</html>
