XML轉DataSet、DataTable

我想要一個通用的xml轉DataTable，xml文件來自不同的文檔，
例如：excel文檔另存為xml文檔怎么把這個xml文檔轉換成DataSet、DataTable,
以下就是我的XML文檔，是通過excel轉的，但是轉DataTable老是失敗，讀不到數據
XML code

<?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">
  <Created>1996-12-17T01:32:42Z </Created>
  <LastSaved>2009-11-03T08:14:23Z </LastSaved>
  <Version>11.5606 </Version>
</DocumentProperties>
<OfficeDocumentSettings xmlns="urn:schemas-microsoft-com:office:office">
  <RemovePersonalInformation/>
</OfficeDocumentSettings>
<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
  <WindowHeight>4530 </WindowHeight>
&nbs