getFormula method
Get formula value to the range.
Implementation
String? getFormula() {
final String? strValue = worksheet.getRangeByIndex(row, column).formula;
if (strValue == null) {
return strValue;
}
for (int iRow = row; iRow <= lastRow; iRow++) {
for (int iCol = column; iCol <= lastColumn; iCol++) {
if (strValue != worksheet.getRangeByIndex(iRow, iCol).formula) {
return null;
}
}
}
return strValue;
}