adding rows dynamically and then retreiving it - appends some unknown characters

[Jochen Katz]

Hi,

>         cout << "the value of the str is ****" << leafStrValue.data() <<
> "****" << endl;

> //THE OUTPUT OF THE STDOUT IS
> the value of the str is ****This is the second addition of pre
> val????||||||||||||||a****

with data() you get a pointer to the internal representation which is
not always terminated with null. Either use get_printable() or use len()
to get the length of the string.

Best regards,
  Jochen