如何查找xml文档的这个节点
如下面这个文档,如何在.net中查找NodeId为1的这个节点?
<Stream>
<Node>
<NodeId>1</NodeId>//查找这个节点
<NodeName>测试节点</NodeName>
<NodeType NodeTypeId="2">审核</NodeType>
<Handers>
<Hander HanderId="3">陈仕欣</Hander>
<Hander HanderId="2">吴高发</Hander>
<Hander HanderId="1">蒲丰</Hander>
</Handers>
<AgreeNodeId>1</AgreeNodeId>
<DisAgreeNodeId>1</DisAgreeNodeId>
<RefuseNodeId>1</RefuseNodeId>
</Node>
<Node>
<NodeId>2</NodeId>
<NodeName>测试节点</NodeName>
<NodeType NodeTypeId="2">审核</NodeType>
<Handers>
<Hander HanderId="3">陈仕欣</Hander>
<Hander HanderId="2">吴高发</Hander>
<Hander HanderId="1">蒲丰</Hander>
</Handers>
<AgreeNodeId>1</AgreeNodeId>
<DisAgreeNodeId>1</DisAgreeNodeId>
<RefuseNodeId>1</RefuseNodeId>
</Node>
</Stream>