How would i put a fixed gridview header on this?
<asp:Panel ID="pnlPopup" runat="server" CssClass="modalPopup">
<div class="header">
List Selection
</div>
<br />
<asp:UpdatePanel ID="UpdatePanel1" runat="server" align="left">
<ContentTemplate>
<asp:TextBox ID="txtSearch" runat="server" Style="margin-left:180px" AutoComplete="off"></asp:TextBox>
<asp:Button ID="btnSearch" runat="server" Text="Search" CssClass="btnInfoCSS"/>
<br />
<br />
<asp:Panel runat="server" ID="pnl1" Style="max-height: 250px; margin-left:70px; overflow-y: scroll;" Width="485px"> ...
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