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

You can simply return "0" for null, zero length or whitespace string using this one-liner:

return String.IsNullOrWhiteSpace(str) ? "0" : str;