Hi Terry.
Try this one:
For Each lobo As ResultsPerfsChecksRoughStockBO In Me.ResultsPerfsChecksRoughStockBO1.GetEnumerable
cword = DecimalToText.ConvertDecimalToText(lobo.netcheck)
lobo.amountinwords = cword
y += 1
Next
Notice you are dealing with the lobo instance created for the loop.