如何在C#中使用XMLWriter将字符串(无根格式的XML节点)写入节点

Question

我正试图使用XMLWriter 将一个字符串（它只是XMLNodes）写入一个新的XML文件

XmlWriter writer = XmlWriter.Create(@"C:\Test.XML")
writer.WriteStartDocument();
writer.WriteStartElement("Test");
string scontent = "<A a="Hello"></A><B b="Hello"></B>";
XmlReader content = XmlReader.Create(new StringReader(scontent));
writer.WriteNode(content, true);
//Here only my first node comes in the new XML but I want complete scontent
writer.WriteEndElement();

预期输出：

<Test>
<A a="Hello"></A>
<B b="Hello"></B>
</Test>

Answer 1

您必须指定ConformanceLevel，因为您的xml没有根元素。

还应始终处置所有使用过的资源。

using (XmlWriter writer = XmlWriter.Create(@"C:\Test.XML"))
{
    writer.WriteStartDocument();
    writer.WriteStartElement("Test");
    string scontent = "<A a="Hello"></A><B b="Hello"></B>";
    var settings = new XmlReaderSettings();
    settings.ConformanceLevel = ConformanceLevel.Fragment;
    using (StringReader stringReader = new StringReader(scontent))
    using (XmlReader xmlReader = XmlReader.Create(stringReader, settings))
    {
        writer.WriteNode(xmlReader, true);
    }
    writer.WriteEndElement();
}

此外，还可以使用XmlWriterSettings添加缩进。

Answer 2

试试这个。。。"" 之前有

XmlWriter writer = XmlWriter.Create(@"C:\Test.XML")
writer.WriteStartDocument();
writer.WriteStartElement("Test");
string scontent = "<A a="Hello"></A><B b="Hello"></B>";
XmlReader content = XmlReader.Create(new StringReader(scontent));
writer.WriteNode(content, true);
//Here only my first node comes in the new XML but I want complete scontent
writer.WriteEndElement();