public ActionResult ListObservation(TableRequestModel request, ObservationsModel model)
 {
     var observations = db.Observations.Where(p => p.VisitHistoryId == model.VisitHistoryID);
     return TableResult.From(observations).Build<ObservationTable>(request);
 }
 public ActionResult Index(int Id)
 {
     var vm = new ObservationsModel();
     vm.VisitHistoryID = Id;
     return View(vm);
 }