public ActionResult MainWest()
        {
            var entity = new SysMenuShow()
            {
                SysMenuId = 1,
                SysMenuName = "系统管理",
                _ParentId = null,
                SystemId = 1,
                PermissionTypes = "1",
                IconUrl = "~/res/icon/cog.png",
                NavigateUrl = "",
                IsHasChild = true,
                IsEnabled = true,
                IsView = true,
                DataPermissionFlag = true,
                OrderNo = 1,
                Remark = ""
            };
            var sys = new List<SysMenuShow>();
            sys.Add(entity);
            var json = Json(ToJson(sys));
            return json;
        }

[{"SysMenuId":1,"SysMenuName":"系统管理","ParentId":null,"PermissionTypes":"1","IconUrl":"~/res/icon/cog.png","NavigateUrl":"","IsHasChild":true,"IsEnabled":true,"OrderNo":1,"Remark":"","SystemId":1,"IsView":true,"DataPermissionFlag":true,"Permissions":[],"SysMenus":[],"ParentMenu":null}]

<table title="Folder Browser" class="easyui-treegrid" data-options="
                url: '/Home/MainWest',
                method: 'get',
                rownumbers: true,
                idField: 'SysMenuId',
                treeField: 'SysMenuName'
            ">
                <thead>
                    <tr>
                        <th field="SysMenuName" data-options="field:'SysMenuName'" width="220">SysMenuName</th>
                    </tr>
                </thead>
            </table>