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<option>
<channel>
<item>
<a> r</a>
<b>
<c>
</item>
<item>
<a> f</a>
<b>
<c>
</item>
XmlNodeList xnl=xmlDoc.SelectSingleNode("").ChildNodes;
foreach(XmlNode xn in xnl)
{
XmlElement xe=(XmlElement)xn;
if(xe.GetAttribute("name")=="a")
{
xe.RemoveAttribute("name");//ɾ³ýÊôÐÔ
}
else if(xe.GetAttribute("name")=="b")
{
xe.RemoveAll();//ɾ³ý¸Ã½ÚµãµÄÈ«²¿ÄÚÈÝ
}
}
xmlDoc.Save("a.xml");
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<a>aaa
</a>
<b>bbb
</b>
</fathernode>
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