C# xml查询

XML code:
<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2009 (http://www.altova.com) by zhanghaibo (EMBRACE) -->
<root>
<Template Id="2" EditViewName="EditView" Description="海淀区">
</Template>
<Template Id="3" EditViewName="EditViewBanBiDian" Description="朝阳区">

</Template>
</root>



要查询Template Id=3 的EditViewName属性值

---

C# code:

<?xml version="1.0" encoding="utf-8" ?>

<Votes>

<vote id="1">

<average>13432</average>

<total>13943023</total>

</vote>

<vote id="2">

<average>23232</average>

<total>3239120</total>

</vote>

<vote id="3">

<average>20232</average>

<total>4259420</total>

</vote>

</Votes>

//读取指定属性值的Node的total

protected string GainAverage(int id,string xmlPath)

{

XmlDocument xml = new XmlDocument();