Hello all:
I am accustomed to read/write txt/ASCII file with ifstream/ofstream.
If the data file is in the EXCEL spreadsheet, *.csv, *.xls, *.xlsx, then what is the way to read them?
Hello all:
I am accustomed to read/write txt/ASCII file with ifstream/ofstream.
If the data file is in the EXCEL spreadsheet, *.csv, *.xls, *.xlsx, then what is the way to read them?