or
<telerik:RadMenu runat="server" ID="RadMenu1"> <Items> <telerik:RadMenuItem runat="server" Text="Root RadMenuItem1"> <Items> <telerik:RadMenuItem runat="server" Text="Child RadMenuItem 1"> </telerik:RadMenuItem> <telerik:RadMenuItem runat="server" Text="Child RadMenuItem 2"> </telerik:RadMenuItem> <telerik:RadMenuItem runat="server" Text="Child RadMenuItem 3"> </telerik:RadMenuItem> <telerik:RadMenuItem runat="server" Text="Child RadMenuItem 4"> </telerik:RadMenuItem> <telerik:RadMenuItem runat="server" Text="Child RadMenuItem 5"> </telerik:RadMenuItem> </Items> </telerik:RadMenuItem> <telerik:RadMenuItem runat="server" Text="SpotLight"> </telerik:RadMenuItem> </Items> </telerik:RadMenu>.
.
.
<telerik:RadMenuItem runat="server" Text="SpotLight"> </telerik:RadMenuItem> </Items> </telerik:RadMenu> <telerik:RadScriptBlock runat="server"> <script type="text/javascript"> $(function () { var rootMenu = $find('<%=RadMenu1.ClientID %>'), menuItems = rootMenu.get_allItems(); var myItems = []; myItems.push(menuItems[1]); myItems.push(menuItems[3]); myItems.push(menuItems[4]); var targetItem = rootMenu.findItemByText("SpotLight"); for (var i = 0; i < myItems.length; i++) { targetItem.get_items().add(myItems[i]); } //debugger;
}); </script> </telerik:RadScriptBlock> </div> </form>
.
.
.

<telerik:RadScriptBlock ID="RadScriptBlock1" runat="server"> <script type="text/javascript"> function onValidating(sender, args) { var nationalCode = $get(sender.get_targetControlIDs()[0]); console.log(nationalCode.value); if (!checkCodeMeli(nationalCode.value)) { alert('the code is wrong'); nationalCode.focus(); return false; } else { alert('The code is write ') return true; } } function pageLoad() { window.$ = jQuery = $telerik.$; }function checkCodeMeli(code) { var L = code.length; if (L < 8 || parseInt(code, 10) == 0) return false; code = ('0000' + code).substr(L + 4 - 10); if (parseInt(code.substr(3, 6), 10) == 0) return false; var c = parseInt(code.substr(9, 1), 10); var s = 0; for (var i = 0; i < 9; i++) s += parseInt(code.substr(i, 1), 10) * (10 - i); s = s % 11; return (s < 2 && c == s) || (s >= 2 && c == (11 - s)); return true;} </script> </telerik:RadScriptBlock> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:Button ID="btn" runat="server" /> <telerik:RadInputManager ID="RadInputManager1" runat="server"> <telerik:TextBoxSetting InitializeOnClient="true"> <TargetControls> <telerik:TargetInput ControlID="TextBox1" /> </TargetControls> <ClientEvents OnValidating="onValidating" /> </telerik:TextBoxSetting> </telerik:RadInputManager>

