In that case, you need to ease off on your project and do something closer to your current skill level. If you can't figure out how to use such a simple class, you're not even close to being ready to...

>> can u give send me some code how to seperate the contents from commas.
That nice convenient class I posted that does exactly what you asked for must not have been what you really wanted. Why are...

>> Extent of CSV format is like
Well that's simple enough. You don't need to do any tricky parsing if there won't be commas embedded in a field.

#include <sstream>
#include <string>
#include...

What's the extent of your CSV format? Is it just a bunch of fields separated by commas, or can the fields contain commas as well? A full CSV format means you need to do some tricky quotation parsing...