Posted 23 August 2020, 2:41 am EST
Try adding this code to your demo
spread.bind(GC.Spread.Sheets.Events.TableColumnsChanged, function (e, args) {
console.log('TableColumnsChanged')
});
spread.bind(GC.Spread.Sheets.Events.TableRowsChanged, function (e, args) {
console.log('TableRowsChanged')
});
spread.bind(GC.Spread.Sheets.Events.TableResizing, function (e, args) {
console.log('TableResizing')
});
https://www.grapecity.com/spreadjs/demos/features/tables/table-auto-expand/purejs