showGridlines property

bool showGridlines
getter/setter pair

Sets the grid line visible. True if grid lines are visible. otherwise, False.

Workbook workbook = new Workbook();
Worksheet sheet = workbook.worksheets[0];
sheet.showGridlines = false;
List<int> bytes = workbook.saveAsStream();
File('Gridline.xlsx').writeAsBytes(bytes);
workbook.dispose();

Implementation

bool showGridlines = true;