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

It is not possible to replace string.Empty by "0". It will throw ArgumentException.

    An unhandled exception of type 'System.ArgumentException' occurred in mscorlib.dll.
Additional information: String cannot be of zero length.

You can try following code:

if(retString == string.Empty)
{
retString = "0";
}