You need to store xml value to the xmlcolumn.
<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>tselvam</LastAuthor>
<Created>1996-10-14T23:33:28Z</Created>
<LastSaved>2008-06-20T13:32:13Z</LastSaved>
<Version>10.2625</Version>
</DocumentProperties>
<OfficeDocumentSettings xmlns="urn:schemas-microsoft-com:office:office">
<DownloadComponents/>
<LocationOfComponents HRef="file:///E:\"/>
</OfficeDocumentSettings>
<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel">
<WindowHeight>9300</WindowHeight>
<WindowWidth>15135</WindowWidth>
<WindowTopX>120</WindowTopX>
<WindowTopY>120</WindowTopY>
<AcceptLabelsInFormulas/>
<ProtectStructure>False</ProtectStructure>
<ProtectWindows>False</ProtectWindows>
</ExcelWorkbook>
<Styles>
<Style ss:ID="Default" ss:Name="Normal">
<Alignment ss:Vertical="Bottom"/>
<Borders/>
<Font/>
<Interior/>
<NumberFormat/>
<Protection/>
</Style>
</Styles>
<Worksheet ss:Name="Sheet1">
<Table ss:ExpandedColumnCount="4" ss:ExpandedRowCount="3" x:FullColumns="1"
x:FullRows="1">
<Row>
<Cell><Data ss:Type="String">empno</Data></Cell>
<Cell><Data ss:Type="String">ename</Data></Cell>
<Cell><Data ss:Type="String">sal</Data></Cell>
<Cell><Data ss:Type="String">deptno</Data></Cell>
</Row>
<Row>
<Cell><Data ss:Type="Number">1</Data></Cell>
<Cell><Data ss:Type="String">ram</Data></Cell>
<Cell><Data ss:Type="Number">1000</Data></Cell>
<Cell><Data ss:Type="Number">10</Data></Cell>
</Row>
<Row>
<Cell><Data ss:Type="Number">2</Data></Cell>
<Cell><Data ss:Type="String">kumar</Data></Cell>
<Cell><Data ss:Type="Number">2000</Data></Cell>
<Cell><Data ss:Type="Number">20</Data></Cell>
</Row>
</Table>
<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
<Selected/>
<Panes>
<Pane>
<Number>3</Number>
<ActiveRow>6</ActiveRow>
<ActiveCol>3</ActiveCol>
</Pane>
</Panes>
<ProtectObjects>False</ProtectObjects>
<ProtectScenarios>False</ProtectScenarios>
</WorksheetOptions>
</Worksheet>
<Worksheet ss:Name="Sheet2">
<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
<ProtectObjects>False</ProtectObjects>
<ProtectScenarios>False</ProtectScenarios>
</WorksheetOptions>
</Worksheet>
<Worksheet ss:Name="Sheet3">
<WorksheetOptions xmlns="urn:schemas-microsoft-com:office:excel">
<ProtectObjects>False</ProtectObjects>
<ProtectScenarios>False</ProtectScenarios>
</WorksheetOptions>
</Worksheet>
</Workbook>
'