public bool InsertSeats(int projid, int viewerid, int seats, int r, int c)
        {
            int maxRow = 6;
            int maxCol = 5;

            bool result = false;

            using (var tran = db.Database.BeginTransaction(System.Data.IsolationLevel.RepeatableRead))
            {
                for (int i = 0; i < seats; i++)
                {
                    c++;
                    if (c > maxCol)
                    {
                        c = 1;
                        r++;
                    }

                    if (r > maxRow)
                    {
                        result = false;
                        tran.Rollback();
                    }
                    var toInsert = new DbSeatReservation()
                    {
                        ProjectionId = projid,
                        ViewerId     = viewerid,
                        Row          = r,
                        Column       = c
                    };
                    db.Reservations.Add(toInsert);
                }
                result = true;
                db.SaveChanges();
                tran.Commit();
            }
            return(result);
        }
 private static Model.SeatReservation ToModel(DbSeatReservation value)
 {
     return(new Model.SeatReservation(value.Id, value.ProjectionId, value.ViewerId, value.Row, value.Column));
 }