问题描述
sRecieved = "<XmlClient>2.0</XmlClient><XmlVersion>3.0</XmlVersion>"
Dim xml As New XmlDocument();
xml.LoadXml(sRecieved);
有多个根元素.....我想xmlclient价值和xmlversion值
There are multiple root elements .....i want xmlclient value and xmlversion value
推荐答案
恩,是的,你的数据的不是的有效的XML文档。 (该错误信息是很清楚的 - 你有多个顶级元素。)你可以的做的它加上空根元素的有效文件:
Well yes, your data isn't a valid XML document. (The error message is pretty clear - you've got multiple top-level elements.) You could make it a valid document by adding a dummy root element:
xml.LoadXml("<root>" & sReceived & "</root>")
......但如果你改变任何的发送数据的机会,它会更好,如果它发送一个实际的XML文档。
... but if you get the chance to change whatever's sending the data, it would be better if it sent an actual XML document.
编辑:如果你能使用LINQ到XML,而不是的XmlDocument
,将客户端编号和版本号很容易。例如,文本:
If you're able to use LINQ to XML instead of XmlDocument
, getting the client number and the version number are easy. For example, as text:
Dim clientVersion = doc.Root.Element("XmlClient").Value
Dim xmlVersion = doc.Root.Element("XmlVersion").Value
编辑:好吧,如果你'重卡与的XmlDocument
,我相信你可以使用:
Okay, if you're stuck with XmlDocument
, I believe you could use:
Dim clientVersionNode = doc.DocumentElement.GetElementsByTagName("XmlClient")(0)
Dim clientVersion = (CType(clientVersionNode, XmlElement)).InnerText
(且同样 xmlVersion
)
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