private ActionResult query(FormCollection collection)
        {
            BizProcess.Platform.OnlineUsers bou = new BizProcess.Platform.OnlineUsers();
            string name = string.Empty;

            if (collection != null)
            {
                name = Request.Form["Name"];
            }
            else
            {
                name = Request.QueryString["Name"];
            }
            ViewBag.Name = name;
            var userList = bou.GetAll();

            if (!name.IsNullOrEmpty())
            {
                userList = userList.Where(p => p.UserName.IndexOf(name) >= 0).ToList();
            }

            return(View(userList));
        }