varworkbook=newXLWorkbook();varws=workbook.Worksheets.Add("Style Worksheet");ws.Style.Font.Bold=true;ws.Style.Font.FontColor=XLColor.Red;ws.Style.Fill.BackgroundColor=XLColor.Cyan;// The following cells will be bold and red// because we've specified those attributes to the entire worksheetws.Cell(1,1).Value="Test";ws.Cell(1,2).Value="Case";// Here we'll change the style of a single cellws.Cell(2,1).Value="Default";ws.Cell(2,1).Style=XLWorkbook.DefaultStyle;// Let's play with some rowsws.Row(4).Style=XLWorkbook.DefaultStyle;ws.Row(4).Height=20;ws.Rows(5,6).Style=XLWorkbook.DefaultStyle;ws.Rows(5,6).Height=20;// Let's play with some columnsws.Column(4).Style=XLWorkbook.DefaultStyle;ws.Column(4).Width=5;ws.Columns(5,6).Style=XLWorkbook.DefaultStyle;ws.Columns(5,6).Width=5;workbook.SaveAs("StyleWorksheet.xlsx");