XlsFile.ShowGridHeadings Property
True is the column headings ("A", "B", etc) and row headings ("1", "2", etc) are shown. You can also set this option with ExcelFile.SheetOptions by changing TSheetOptions.ShowRowAndColumnHeaders This property can work in different windows depending on the value of ExcelFile.ActiveWindow
Syntax
Namespace: FlexCel.XlsAdapter
public override Boolean ShowGridHeadings { get; set; }