如何将XmlDocument转化为DataSet?
<AssignmentInfo>
<AttributeInfo>
<AttrType>DEPT_CODE</AttrType>
<AttrText>所属部门</AttrText>
<AttrValue>部门001</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>BTYPE</AttrType>
<AttrText>血型</AttrText>
<AttrValue>B型</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>SCODE</AttrType>
<AttrText>性别</AttrText>
<AttrValue>男</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>ECODE</AttrType>
<AttrText>学历</AttrText>
<AttrValue>本科</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>DECODE</AttrType>
<AttrText>学位</AttrText>
<AttrValue>学士</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>NACODE</AttrType>
<AttrText>民族</AttrText>
<AttrValue>汉族</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>PCODE</AttrType>
<AttrText>政治面貌</AttrText>
<AttrValue>群众</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>GRCODE</AttrType>
<AttrText>工人技术等级</AttrText>
<AttrValue>A级</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>JOBS_CODE</AttrType>
<AttrText>工种</AttrText>
<AttrValue>短工</AttrValue>
<valueDesc />
</AttributeInfo>
<AttributeInfo>
<AttrType>LCCODE</AttrType>
<AttrText>用工类别</AttrText>
<AttrValue>类别001</AttrValue>