在C#中字符串如何生成xml

在C#中字符串如何生成xml

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DataSet
XML

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using linq

C# code:
string xml = "<book price='100' isbn='1002310'>" +
"<title>XClarity Samples</title>" +
"<author>Matt</author>" +
"</book>";
XDocument doc = XDocument.Parse(xml);
Console.WriteLine(doc);

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我没理解什么叫字符串生成xml

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引用

using linq

C# codestring xml="<book price='100' isbn='1002310'>"+"<title>XClarity Samples</title>"+"<author>Matt</author>"+"</book>";
XDocument doc= XDocument.Parse(xml);
Console.WriteLine(doc);

学习了·

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那怎么生成那个xml头的呀

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XDocument doc= XDocument.Parse(xml);
这个要引入什么？

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急急急~~~

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C# code:
string xml = @"<?xml version=""1.0""?>"+
"<book price='100' isbn='1002310'>" +
"<title>XClarity Samples</title>" +
"<author>Matt</author>" +
&