or
<telerik:RadGrid ID="grdSettlement" runat="server" AllowFilteringByColumn="True" CellSpacing="0" DataSourceID="SqlDataSource1" GridLines="None" AllowAutomaticDeletes="True" AllowAutomaticUpdates="True" AutoGenerateColumns="False" AllowAutomaticInserts="true" OnInsertCommand="grdSettlement_InsertCommand">Column Source Code :<telerik:GridTemplateColumn DataField="NO" FilterControlAltText="Filter NO column" HeaderText="NO" SortExpression="NO" UniqueName="NO" DataType="System.Int64"> <InsertItemTemplate> <telerik:RadNumericTextBox runat="server" ID="No"> </telerik:RadNumericTextBox> </InsertItemTemplate> <ItemTemplate> <%# Eval("NO") %> </ItemTemplate> </telerik:GridTemplateColumn>.TelerikModalOverlay { background-image: url('icons/modalBackground.png') !important; background-repeat: repeat !important; filter: alpha(opacity=50) !important; opacity: .50 !important; -moz-opacity: .50 !important; }function OnClientLoad(oExplorer, args) { var oWindowmanager = oExplorer.get_windowManager(); function resetUploadWindow(oWindow, args) { if (oWindow.get_id().endsWith("Upload")) { function onClientBeforeClose(sender, arg) { function callbackFunction(arg) { if (arg) { sender.remove_beforeClose(onClientBeforeClose); sender.close(); } } arg.set_cancel(true); radconfirm("Warning: If you close this window before the file(s) have completed uploading and before clicking the upload button, the file(s) will not be saved. Do you want to close the upload window?", callbackFunction, 400, 100, null, "Warning"); } oWindow.add_beforeClose(onClientBeforeClose); } } oWindowmanager.remove_show(resetUploadWindow); oWindowmanager.add_show(resetUploadWindow); }