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'_foregroundElement.parentNode' is null or not an object when trying to use AJAX ModalPopUpExtender

Posted on 2010-09-22
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Last Modified: 2012-05-10
Hi Experts

I have a Masterpage with a ModalPopUpExtender Control on it that is called when a link is clicked from a content page. However, when I try and load the content page I get the error:

_foregroundElement.parentNode' is null or not an object

Previously I had the ModalPopUpExtender control on the content page and it worked fine, but moved it to the MasterPage as several other content pages need to utilise it.

Is there anything in the code below that might cause this? Is it down to the order that the page elements are loaded?

Thanks

Stewart
<cc1:ToolkitScriptManager ID="toolkitScriptMaster" runat="server" /> 
        <asp:Panel ID="pnlPopUp" runat="server" Width="500px" CssClass="detail" style="display:none;">
        <asp:UpdatePanel ID="updPnlDetails" runat="server" UpdateMode="Conditional">
                <ContentTemplate>
                    <asp:Button id="btnShowPopup" runat="server" style="display:none" />
            	  <cc1:ModalPopupExtender ID="mdlDetails" runat="server" 
            		    TargetControlID="btnShowPopup" PopupControlID="pnlPopup" 
            		    CancelControlID="btnClose" BackgroundCssClass="modalBackground" />
            		<div id="detailsContainer" style="height:400px; overflow:auto;">
            		<asp:DetailsView ID="BodyshopDetails" runat="server" 
                        AutoGenerateEditButton="True" AutoGenerateRows="False" 
                        DataKeyNames="Id" Visible="False"
                        CssClass="detailgrid" GridLines="None" EnableViewState="False">
                        <Fields>
                          <!-- Bound Fields here -->
                         </Fields>
                    </asp:DetailsView>
                    <div>
                    <asp:LinkButton ID="btnClose" runat="server" Text="Close" CausesValidation="false" />
                    </div> 
                    </div>                   
                </ContentTemplate>                
            </asp:UpdatePanel>             
        </asp:Panel>

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Question by:digital_soul
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informaniac earned 2000 total points
ID: 33745602
Try adding DropShadow="true" to the modalpopup markup
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