System.Data.Common.DataAdapter.FillLoadDataRowChunk C# (CSharp) Method

        private int FillLoadDataRowChunk(SchemaMapping mapping, int startRecord, int maxRecords)
        {
            DataReaderContainer dataReader = mapping.DataReader;

            while (0 < startRecord)
            {
                if (!dataReader.Read())
                {
                    // there are no more rows on first resultset
                    return 0;
                }
                --startRecord;
            }

            int rowsAddedToDataSet = 0;
            if (0 < maxRecords)
            {
                while ((rowsAddedToDataSet < maxRecords) && dataReader.Read())
                {
                    if (_hasFillErrorHandler)
                    {
                        try
                        {
                            mapping.LoadDataRowWithClear();
                            rowsAddedToDataSet++;
                        }
                        catch (Exception e) when (ADP.IsCatchableExceptionType(e))
                        {
                            ADP.TraceExceptionForCapture(e);
                            OnFillErrorHandler(e, mapping.DataTable, mapping.DataValues);
                        }
                    }
                    else
                    {
                        mapping.LoadDataRow();
                        rowsAddedToDataSet++;
                    }
                }
                // skip remaining rows of the first resultset
            }
            else
            {
                rowsAddedToDataSet = FillLoadDataRow(mapping);
            }
            return rowsAddedToDataSet;
        }