How not to .padLeft(3, '0') in C#

coding-horror

// I found this little nugget 6 times in a 5000+ lines god-class, with the deepest indent being 23 tabs deep.
if (var.Length < 3)
{
    if (var.Length < 2)
    {
        if (var == "")
        {
            var = "000";
        }
        else
        {
            var += "00";
        }
    }
    else
    {
        var += "0";
    }
}