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Version Q2 2011 released 07/12/2011
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ComboBox / Overlay

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RadComboBox overlays flash files, too

  • RadComboBox fully supports overlay. Its dropdown can hover over windowed objects (ASP.NET dropdownlists and / or flash movies). In addtion, RadComboBox is not rendered as a windowed object, so DHTML content can hover the combobox when needed. This mechanism is enabled by default. No property should be set to enable the feature.

Source Code

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

    <%@ 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" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!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">
        <qsf:HeadTag runat="server" ID="Headtag1"></qsf:HeadTag>
        <!-- custom head section -->
        <!-- end of custom head section -->
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
            </telerik:RadScriptManager>
            <qsf:Header runat="server" ID="Header1" NavigationLanguage="VB" XhtmlCompliant="False">
            </qsf:Header>
            <!-- content start -->
            <div style="width: 550px;">
                <telerik:RadComboBox ID="RadComboBox1" runat="server" Height="250px" Width="250px">
                </telerik:RadComboBox>
                <div>
                    <br />
                    <asp:DropDownList runat="server" ID="Dropdownlist1" Width="250px">
                        <asp:ListItem>New York</asp:ListItem>
                        <asp:ListItem>Will be overlaid</asp:ListItem>
                        <asp:ListItem>by RadComboBox</asp:ListItem>
                    </asp:DropDownList>
                    <br />
                    <br />
                    <span style="width: 320px;">
                        <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="748" height="340">
                            <param name="movie" value="Images/ASP_AJAX_banner_lineCS3.swf" />
                            <param name="wmode" value="transparent" />
                            <object type="application/x-shockwave-flash" data="Images/ASP_AJAX_banner_lineCS3.swf"
                                width="748" height="340">
                                <param name="wmode" value="transparent" />
                                <p>
                                    RadComboBox overlays flash files, too</p>
                            </object>
                        </object>
                    </span>
                </div>
            </div>
            <!-- content end -->
            <qsf:Footer runat="server" ID="Footer1"></qsf:Footer>
        </form>
    </body>
    </html>

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