private static void SetElementChildMenu(XmlElement xmlParent, List<Menu> menus, int ParentMenuID)
{
List<Menu> childsMenu = menus.Where(m => m.ParentID == ParentMenuID).ToList();
foreach (Menu item in childsMenu)
{
XmlElement xmlEle = xmlParent.OwnerDocument.CreateElement("SubMenu");
xmlParent.AppendChild(xmlEle);
SetAttributeMenuNode(xmlEle, item);
SetElementChildMenu(xmlEle, menus, item.ID);
}
}