checkValidStringWithZeroCheckPen function
Implementation
checkValidStringWithZeroCheckPen(String? value) {
if (value == null || value == "null" || value == "<null>" || value == "0" || value == "0.00" || value.isEmpty) {
value = "--";
}
if (value == "--") {
return value.trim();
} else {
return toDisplayCase("${value.trim()}%");
}
}