A first chance exception of type 'NPOI.HPSF.ReadingNotSupportedException' occurred in NPOI.dll
A first chance exception of type 'NPOI.HPSF.ReadingNotSupportedException' occurred in NPOI.dll
Twice
A first chance exception of type 'NPOI.HPSF.ReadingNotSupportedException' occurred in NPOI.dll
Twice