<?xml version="1.0" encoding="utf-8" ?>
<Config>
        <PoNum value="" key="1" XPoint="10" YPoint="70"/>
        <SupplierID value="" key="2" XPoint="10" YPoint="90"/>
    <CompanyName value="" key="3" XPoint="130" YPoint="110"/>
        <DeliveryDate value="" key="4" XPoint="500" YPoint="110"/>
        <cuscode value="" key="5" XPoint="10" YPoint="130"/>
       <Priceterm value="" key="7" XPoint="110" YPoint="130"/>
       <Remark value="" key="6" XPoint="10" YPoint="150"/>
    <MaterialCode value="" key="8" XPoint="10" YPoint="170"/>
    <MaterialChineseName value="" key="9" XPoint="110" YPoint="170"/>
    <Materialchinesespec value="" key="10" XPoint="330" YPoint="170"/>
    <unit value="" key="11" XPoint="500" YPoint="170"/>
    <UnitPrice value="" key="12" XPoint="600" YPoint="170"/>
    <Quantity value="" key="13" XPoint="650" YPoint="170"/>
    <WastageQty value="" key="14" XPoint="700" YPoint="170"/>
        <SumMoney value="" key="15" XPoint="750" YPoint="170"/>   
</Config>

循环得到ponum ,xpoint,ypoint  三个值

ponum        10    70
supplierid   10    90
companyname  130   110

如上效果

用dataset.ReadXML("aaa.xml");
然后处理dataset，这个就不用多说了

XPathNavigator

XmlNode  里面有属性

同意楼上