Workbook wb = new Workbook(@“1.xlsx”);
Style style = new CellsFactory().CreateStyle();
style.Pattern = BackgroundType.Solid;
style.ForegroundColor = Color.Red;
wb.Worksheets[0].Cells.CreateRange(0, 1, false).SetStyle…...Range range = wb.Worksheets[0].Cells...Cells.MaxDisplayRange; range.SetStyle(style); //Alternatively, you...