I've applied the fix and made sure there no positioning set in the css file. However, it does not work for the page/code below. It did fix one of my other pages but not this one.
Thanks.
<%
@ Page Language="C#" AutoEventWireup="true" CodeBehind="test.aspx.cs" Inherits="CMS.Management.CRM.test" %>
<!
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%
@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<
html xmlns="http://www.w3.org/1999/xhtml">
<
head runat="server">
<title>Untitled Page</title>
</
head>
<
body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="sm" runat="server"></asp:ScriptManager>
<asp:Button ID="dummy" runat="server" Text="Attach files" />
<asp:Panel ID="pnlAttachment" runat="server" class="modalPopup" Style="width: 500px;
display: none;">
<h2>
Attach Files
</h2>
<telerik:RadUpload ID="ru" runat="server" ControlObjectsVisibility="None" InitialFileInputsCount="3" />
<asp:Button ID="btnUpload" runat="server" Text="Attach" />
<asp:Button ID="btnUploadCancel" runat="server" Text="Cancel" />
</asp:Panel>
<cc1:ModalPopupExtender ID="mpeAttachment" runat="server" BackgroundCssClass="modalBackground"
PopupControlID="pnlAttachment" CancelControlID="btnUploadCancel" TargetControlID="dummy"
BehaviorID="mpeAttach">
</cc1:ModalPopupExtender>
</div>
</form>
</
body>
</
html>