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...

You know, these statements are easier to believe when you can write coherent English and provide objective arguments. You haven't done either, so you can only expect to be treated as a troll.

How does that function not work? There are a few iffy parts, like not checking fopen for success and not considering that fread can return a non-zero failure code, but there are no obvious errors...