如何使用 c# linq 读取 xml 文件中的冒号

Question

How can I read colon in xml file using c# linq

My code in c#

XDocument xdocc = XDocument.Load(files, LoadOptions.SetLineInfo);
var mml_hi_it = xdocc.Descendants("mml:hi").Where(s => (string)s.Attribute("rend").Value == "it");

Answer 1

The mml literal indicates the namespace used in your xml. You should be able to find the definition in the root node. For example, based on your comment, your root tag looks like following.

<article article-type="research-article" dtd-version="1.1" xml:lang="en" xmlns:mml="w3.org/1998/Math/MathML" xmlns:xlink="w3.org/1999/xlink" xmlns:oasis="niso.org/standards/z39-96/ns/oasis-exchange/table">  

In order to access Element with namespace, you need to specify the namespace using XNamespace . For example,

XNamespace  mml = "w3.org/1998/Math/MathML";
var mml_hi_it = xdocc.Descendants(mml + "hi").Where(s => (string)s.Attribute("rend").Value == "it");