How to replace string.empty to “0”

Question

Just like the title says.

I\'ve tried doing str.Replace(\"\",\"0\"); but it gave me error because oldValue has zero length.

Is it possi

Answer 1

After your edit:

To convert an empty string to 0, and parse a non-empty string as an integer, I wouldn't deal with a "0" at all, but combine the two in a single method. For example:

int Parse(string s, int d = 0) {
  if (string.IsNullOrEmpty(s))
    return d;

  return int.Parse(s);
}