public bool AddNewReservation(Reservasion _reservation)
        {
            try
            {
                TRANVisit tr = new TRANVisit();

                tr.PatientID       = _reservation.PatientID;
                tr.PhysicianID     = _reservation.PhysicianID;
                tr.VisitTypeID     = _reservation.VisitTypeID;
                tr.VisitDate       = _reservation.VisitDate;
                tr.TimeFrom        = _reservation.TimeFrom;
                tr.TimeTo          = _reservation.TimeTo;
                tr.VisitsCount     = _reservation.VisitsCount;
                tr.VisitPrice      = _reservation.VisitPrice;
                tr.PhysicianSalary = _reservation.PhysicianSalary;
                tr.Paiedprice      = _reservation.PaiedPrice;
                tr.RestPrice       = _reservation.RestPrice;
                tr.TotalVisitPrice = _reservation.TotalVisitPrice;
                tr.Notes           = _reservation.Notes;

                _contextDatabase.TRANVisits.Add(tr);
                _contextDatabase.SaveChanges();
                return(true);
            }
            catch (Exception)
            {
                return(false);
            }
        }
        public bool EditReservation(Reservasion _reservation)
        {
            try
            {
                TRANVisit tr = _contextDatabase.TRANVisits.Where(a => a.VisitID == _reservation.VisitID).SingleOrDefault();

                tr.PatientID       = _reservation.PatientID;
                tr.PhysicianID     = _reservation.PhysicianID;
                tr.VisitTypeID     = _reservation.VisitTypeID;
                tr.VisitDate       = _reservation.VisitDate;
                tr.TimeFrom        = _reservation.TimeFrom;
                tr.TimeTo          = _reservation.TimeTo;
                tr.VisitsCount     = _reservation.VisitsCount;
                tr.VisitPrice      = _reservation.VisitPrice;
                tr.PhysicianSalary = _reservation.PhysicianSalary;
                tr.Paiedprice      = _reservation.PaiedPrice;
                tr.RestPrice       = _reservation.RestPrice;
                tr.TotalVisitPrice = _reservation.TotalVisitPrice;
                tr.Notes           = _reservation.Notes;
                _contextDatabase.SaveChanges();
                return(true);
            }
            catch (Exception)
            {
                return(false);
            }
        }
        public Reservasion GetReservationByVisitID(int _visitID)
        {
            try
            {
                TRANVisit _tranVisit = _contextDatabase.TRANVisits.Where(a => a.VisitID == _visitID).SingleOrDefault();

                this.VisitID         = _tranVisit.VisitID;
                this.PatientID       = _tranVisit.PatientID;
                this.PhysicianID     = _tranVisit.PhysicianID;
                this.PhysicianSalary = _tranVisit.PhysicianSalary;
                this.VisitTypeID     = _tranVisit.VisitTypeID;
                this.VisitDate       = _tranVisit.VisitDate;
                this.VisitPrice      = _tranVisit.VisitPrice + _tranVisit.PhysicianSalary;
                this.TotalVisitPrice = _tranVisit.TotalVisitPrice;
                this.VisitsCount     = _tranVisit.VisitsCount;
                this.TimeFrom        = _tranVisit.TimeFrom;
                this.TimeTo          = _tranVisit.TimeTo;
                this.Notes           = _tranVisit.Notes;
                this.PaiedPrice      = _tranVisit.Paiedprice;
                this.RestPrice       = _tranVisit.RestPrice;

                return(this);
            }
            catch (Exception)
            {
                return(null);
            }
        }