C#不用COM组件导出数据到Excel中

<?xml version='1.0'?>
<?mso-application progid='Excel.Sheet'?>
<Workbook xmlns='urn:schemas-microsoft-com:office:spreadsheet'
xmlns:o='urn:schemas-microsoft-com:office:office'
xmlns:x='urn:schemas-microsoft-com:office:excel'
xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet'
xmlns:html='http://www.w3.org/TR/REC-html40'>
<DocumentProperties xmlns='urn:schemas-microsoft-com:office:office'>
<LastAuthor>admin</LastAuthor>
<Created>2014-08-22T04:28:58Z</Created>
<LastSaved>2014-08-22T04:28:59Z</LastSaved>
<Version>12.00</Version>
</DocumentProperties>
<ExcelWorkbook xmlns='urn:schemas-microsoft-com:office:excel'>
<WindowHeight>9840</WindowHeight>
<WindowWidth>21360</WindowWidth>
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<Table>
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    <Cell><Data ss:Type='String'>样本号</Data></Cell>
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