public _requestTypes olustur(int rt_id)
        {
            var item = db.RequestTypes.Find(rt_id);
            _requestTypes _requests = new _requestTypes();

            _requests.Text = item.Description;
            _requests.Value = item.RequestTypeID.ToString();
            _requests.Expanded = true;

            if (db.RequestTypes.Where(e => e.ParentRequestTypeId == rt_id).Count() > 0)
            {
                var sbz = db.RequestTypes.Where(e => e.ParentRequestTypeId == rt_id).ToList();
                foreach (var it in sbz)
                {
                    _requests.Items.Add(olustur(it.RequestTypeID));
                }
            }

            return _requests;
        }
        public ActionResult GetJsonTree(string ms)
        {
            _requestTypes _requests = new _requestTypes();

            var rt_list = db.RequestTypes.Where(e => e.ParentRequestTypeId == null).ToList();

            foreach (var item in rt_list)
            {
                _requests.Items.Add(olustur(item.RequestTypeID));
            }

            return Json(_requests, JsonRequestBehavior.AllowGet);
        }