Creating/writing into a new file in Qt

Question

I am trying to write into a file and if the file doesn\'t exist create it. I have searched on the internet and nothing worked for me.

My code looks currently like this:<

Answer 1

Are you sure you're in the right directory?
Opening a file without a full path will open it in the current working directory. In most cases this is not what you want. Try changing the first line to

QString filename="c:\\Data.txt" or
QString filename="c:/Data.txt"

and see if the file is created in c:\