foreach (DataColumn column in SourceTable.Columns){    dataRow.CreateCell(column.Ordinal).SetCellValue(row[column].ToString());    if (row[column].ToString().Contains("\n"))    {        //將目前欄位的CellStyle設定為自動換行        HSSFCellStyle cs = workbook.CreateCellStyle();        cs.WrapText = true;        dataRow.GetCell(column.Ordinal).CellStyle = cs;        //因為換行所以愈設幫他Row的高度變成兩倍        dataRow.HeightInPoints = 2 * sheet.DefaultRowHeight / 20;    }}