System.Data.ProviderBase.SchemaMapping.MappedChapterIndex C# (CSharp) Method

        private void MappedChapterIndex()
        { // mode 4
            int length = _mappedLength;

            for (int i = 0; i < length; i++)
            {
                int k = _indexMap[i];
                if (0 <= k)
                {
                    _mappedDataValues[k] = _readerDataValues[i]; // from reader to dataset
                    if (_chapterMap[i])
                    {
                        _mappedDataValues[k] = null; // InvalidCast from DataReader to AutoIncrement DataColumn
                    }
                }
            }
        }