c#读数据库直接生成的XML如何带字段类型

[cymple]

<xml xmlns:s='uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882'
xmlns:dt='uuid:C2F41010-65B3-11d1-A29F-00AA00C14882'
xmlns:rs='urn:schemas-microsoft-com:rowset'
xmlns:z='#RowsetSchema'>
<s:Schema id='RowsetSchema'>
<s:ElementType name='row' content='eltOnly' rs:CommandTimeout='30'>
<s:AttributeType name='c_id' rs:number='1'>
<s:datatype dt:type='int' dt:maxLength='4' rs:precision='10' rs:fixedlength='true' rs:maybenull='false'/>
</s:AttributeType>
<s:AttributeType name='c_company' rs:number='2' rs:writeunknown='true'>
<s:datatype dt:type='string' dt:maxLength='150' rs:maybenull='false'/>
</s:AttributeType>
<s:AttributeType name='c_firsttime' rs:number='3' rs:nullable='true' rs:writeunknown='true'>
<s:datatype dt:type='dateTime' rs:dbtype='timestamp' dt:maxLength='16' rs:scale='3' rs:precision='23' rs:fixedlength='true'/>
</s:AttributeType>
<s:extends type='rs:rowbase'/>
</s:ElementType>
</s:Schema>
<rs:data>
<z:row c_id='15081' c_company='sd gd gdfgd' c_firsttime='2007-11-16T16:15:48.657000000'/>
<z:row c_id='15079' c_company='eeeeeeeeee' c_firsttime='2007-11-05T10:19:48.093000000'/>
</rs:data>
</xml>


XML文件如上~~~~~ 是通过邹老大的存储过程生成的XML
因为要通过ID排序 也可能通过 时间排序 应该怎么读这个XML~~~~