Below I have a page that u click a buttton and opens a model popup extender, however, when you select a row in the grid view, it does not show in the tetbox on the page?
<asp:ModalPopupExtender ID="mpe" runat="server" BehaviorID="popup1" PopupControlID="pnlPopup" TargetControlID="btnloccode"
OkControlID="btnOK" CancelControlID="btnCancel" BackgroundCssClass="modalBackground">
</asp:ModalPopupExtender>
<asp:Panel ID="pnlPopup" runat="server" CssClass="modalPopup" Style="display: none">
<div class="header">
List Selection
</div>
<br />
<asp:UpdatePanel ID="UpdatePanel1" runat="server" align="left">
<ContentTemplate>
<asp: ...
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