or
<section> <div class="clearfix" data-role="listView" data-bind="source: Products.data" data-template="product-template"></div></section>@(Html.Kendo().Menu() .Name("grouplist") .HtmlAttributes(new { style = "width: 140px;" }) .Items(items => { foreach (ns.Models.GroupModel item in groups) { items.Add() .Text(item.Name) .HtmlAttributes(new { @class = "menuitem" }) //.HtmlAttributes(new { @title = "Items in this group : " + item.Count }) .Items(children => { children.Add().Text("Add new item"); children.Add().Text("Edit group"); children.Add().Text("Delete group!"); }); } }) .Orientation(MenuOrientation.Vertical))$("#ID_Comercial").addClass('mandatory');<input id="ID_Comercial" class="mandatory" type="text" style="width: 200px; display: none;" name="ID_Comercial" data-role="dropdownlist">$(function(){ that.element = $(element ? element : document.body); that._setupPlatform(); that._setupElementClass(); that._attachHideBarHandlers(); that.pane = new Pane(that.element, that.options); that._attachMeta(); if (that.options.updateDocumentTitle) { that._setupDocumentTitle(); } that._startHistory();});Uncaught TypeError: Cannot read property 'history' of undefined scripts/utils.js:54 redirect scripts/utils.js:54