c# - Date conversion issue with Excel Interop and CSV file -


i have csv file contains dates formatted m/dd/yyyy follows

1/06/2013,15,1,1/06/2013 0:15,1,6.44

when open file in excel, dates correctly converted - 1/06/2013 has numeric value 41,426.00 , month() function returns 6.

when use microsoft.office.interop.excel open same file using either open() or opentext() method date gets converted 41,280.00 (6/01/2013).

can open csv file using microsoft.office.interop.excel opens same if user opened file windows shell?

regards dave

found answer myself buried in bottom of question - excel vba date formats/values change when file opened programatically

workbook = workbooks.open(filename, local: true)

open() has local property, when false assumes mdy order ambiguous dates, when true uses local machine setting in australia dmy


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