public static IEnumerable<TimeOff> ReadList()
        {
            using (var db = new HRLobDataContext(GetConnString()))
            {
                IEnumerable<TimeOff> timeOffList = from t in db.TimeOffs
                                                   select t;

                return timeOffList;
            }
        }
 public static TimeOff ReadItem(int employeeId)
 {
     using (var db = new HRLobDataContext(GetConnString()))
     {
         TimeOff toRecord =
             (from to in db.TimeOffs
              where to.EmployeeId == employeeId
              select to).Single();
         return toRecord;
     }
 }