System.Data.Common.DataStorage.AggregateCount C# (CSharp) Méthode

        public object AggregateCount(int[] recordNos)
        {
            int count = 0;
            for (int i = 0; i < recordNos.Length; i++)
            {
                if (!_dbNullBits.Get(recordNos[i]))
                    count++;
            }
            return count;
        }