public JsonResult DeleteClaimPositions(int[] ids)
        {
            var isComplete = true;
            try
            {
                var user = GetUser();
                var db = new DbEngine();
                foreach (var id in ids)
                {
                  isComplete = isComplete &&         db.DeleteSpecificationPosition(id, user);
                }

            }
            catch (Exception)
            {
                isComplete = false;
            }
            return Json(new { IsComplete = isComplete }, JsonRequestBehavior.AllowGet);
        }
 //удаление позиции
 public JsonResult DeleteClaimPosition(int id)
 {
     var isComplete = false;
     try
     {
         var user = GetUser();
         var db = new DbEngine();
         isComplete = db.DeleteSpecificationPosition(id, user);
     }
     catch (Exception)
     {
         isComplete = false;
     }
     return Json(new { IsComplete = isComplete }, JsonRequestBehavior.AllowGet);
 }