ExcelNPOIStorage can not work?

[gitlsl]

i use ExcelNPOIStorage,
class A { public int a; public int? b; }

i can insert A[] into excel, but can not ExtractRecords because FileHelpers\Core\RecordOperations.cs#218line values[i] = RecordInfo.Fields[i].CreateValueForField(values[i]); value.length <RecordInfo.FieldCount so it broken

[gitlsl]

q2: ExcelNPOIStorage keep the excel in memory so if there are too many rows, out of memory, in my test, 60000 rows with 4 cols data will out of memory

[cfasilva]

Hi friend, some answer about it?