public PeriodModel MapData(Period p)
 {
     PeriodModel pm = new PeriodModel();
     pm.Id = p.Id;
     pm.PeriodNr = p.PeriodNr;
     pm.DateStart = p.DateStart;
     pm.DateEnd = p.DateEnd;
     pm.VacId = p.Vacation.Id;
     return pm;
 }
        public Period MapData(PeriodModel pm, int p)
        {
            Period period = new Period();

                period.Id = pm.Id;
                period.PeriodNr = pm.PeriodNr;
                period.DateStart = pm.DateStart;
                period.DateEnd = pm.DateEnd;
               // period.Vacation.Id = p;

            return period;
        }