var printInfo = new GC.Spread.Sheets.Print.PrintInfo(); printInfo.showColumnHeader(GC.Spread.Sheets.Print.PrintVisibilityType.hide); spread.print(0);

activeSheet.setRowCount(5, GC.Spread.Sheets.SheetArea.viewport);
activeSheet.setColumnCount(5, GC.Spread.Sheets.SheetArea.viewport);

activeSheet.suspendPaint();
            //set value
            for (var r = 0, rc = activeSheet.getRowCount(); r < rc; r++) {
                for (var c = 0, cc = activeSheet.getColumnCount(); c < cc; c++) {
                    activeSheet.setValue(r, c, r + c);
                }
            }
activeSheet.resumePaint();

$("#button1").click(function () {
var printInfo = new GC.Spread.Sheets.Print.PrintInfo();
printInfo.showColumnHeader(GC.Spread.Sheets.Print.PrintVisibilityType.hide);
spread.print(0);
   });