gcSpreadSheet1.Sheets[0].RemoveRows(0, 2);
gcSpreadSheet1.Sheets[0].RemoveRows(0, 2, GrapeCity.Xaml.SpreadSheet.Data.SheetArea.Cells);
GcSpreadSheet1.Sheets(0).RemoveRows(0, 2)
GcSpreadSheet1.Sheets(0).RemoveRows(0, 2, GrapeCity.Xaml.SpreadSheet.Data.SheetArea.Cells)