如何从 vb.net 中的 xml 文档中获取元素名称
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How to get element names from an xml document in vb.net
提问by cMinor
I have a xml file like:
我有一个 xml 文件，如：
<config>
<email Host="201.0.0.0" From="[email protected]" Pass="xxx" Name="xxx"/>
<gir g1="Traditional" g2="mid Techn" g3="High Tech"/>
<costs>
<Pre-Incube inscr="7000.00" add="300.00"/>
<Normal inscr="1600.00" inc="7000.00" add="500.00"/>
<Urgent inscr="1600.00" inc="5000.00" add="500.00"/>
<Estance inscr="1600.00" men="2500.00"/>
<Post inscr="1600.00" men="1500.00"/>
</costs>
</config>
To get the attributes for the element "gir" I do
要获取元素“gir”的属性，我会这样做
Dim doc As XmlDocument = New XmlDocument()
doc.Load(path)
Dim root As XmlNode = doc.DocumentElement
Dim nodeGir As XmlNode = root.SelectSingleNode("/config/gir")
cboGir.Items.Add(nodeGir.Attributes.ItemOf("g1").InnerText)
cboGir.Items.Add(nodeGir.Attributes.ItemOf("g2").InnerText)
cboGir.Items.Add(nodeGir.Attributes.ItemOf("g3").InnerText)
But how do I get the namesof the child elements under "costs":
但是如何在“成本”下获取子元素的名称：
Pre-Incube, Normal, Urgent, Estance, Post
回答by RichardTowers
Adapted from this MSDN page:
改编自此MSDN 页面：
Dim costs As XmlNode = root.SelectSingleNode("/config/costs")
Dim i As Integer
For i = 0 To costs.ChildNodes.Count - 1
cboGir.Items.Add(costs.ChildNodes[i].Name)
Next i
Or probably easier (from this MSDN page):
或者可能更容易（来自这个 MSDN 页面）：
Dim costs As XmlNodeList = root.SelectNodes("/config/costs/*")
For Each book In costs
cboGir.Items.Add(book.Name)
Next
回答by Steven Doggart
To get the names of all the elements that are children of costs, you can do this:
要获取作为成本子项的所有元素的名称，您可以执行以下操作：
For Each node As XmlNode In doc.SelectNodes("/config/costs/*")
cboGir.Items.Add(node.Name)
Next
