insertRow method
Inserts an empty row in sheet
at position = rowIndex
.
If rowIndex == null
or rowIndex < 0
if will not execute
If the sheet
does not exists then it will be created automatically.
Implementation
void insertRow(String sheet, int rowIndex) {
if (rowIndex < 0) {
return;
}
_availSheet(sheet);
_sheetMap[sheet]!.insertRow(rowIndex);
}