相关疑难解决方法(0)

我将此代码用于SerializeXML String:

XmlWriterSettings xmlWriterSettings = new XmlWriterSettings
{
    indent = true,
    Encoding = Encoding.UTF8
};

using (var sw = new StringWriter())
{
    using (XmlWriter xmlWriter = XmlWriter.Create(sw, xmlWriterSettings))
    {
        XmlSerializer xmlSerializer = new XmlSerializer(moviesObject.GetType(), new XmlRootAttribute("category"));
        xmlSerializer.Serialize(xmlWriter, moviesObject);
    }
    return sw.ToString();
}

问题是我得到:

<?xml version="1.0" encoding="utf-16"?>
<category xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" havemore="no">
  <items>
    <movie>
      <videoid>videoid1</videoid>
      <title>title1</title>
    </movie>
  </items>
</category>

有什么办法可以改变<?xml version="1.0" encoding="utf-16"?> 到 <?xml version="1.0" encoding="utf-8"?>？

我已经正确定义了一个类,并在将其序列化为XML后,我没有编码.

如何定义编码"ISO-8859-1"？

这是一个示例代码

var xml = new XmlSerializer(typeof(Transacao));
var file = new FileStream(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "transacao.xml"),FileMode.OpenOrCreate);            
xml.Serialize(file, transacao);            
file.Close();

这是xml生成的开始

<?xml version="1.0"?>
<requisicao-transacao xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <dados-ec>
    <numero>1048664497</numero>

为什么这样有效:

using (var ms = new MemoryStream())
{
    using (var dummy = new StreamWriter(ms))
    {
        var sw = new StreamWriter(ms);
        sw.WriteLine("Hello World");
        sw.Flush();
        using (StreamReader rdr = new StreamReader(ms))
        {
            ms.Position = 0;
            textBoxExc.Text = rdr.ReadToEnd();
        }
    }
}

但这不起作用("无法访问封闭的流."):只有差异var dummy = XmlWriter.Create(ms)而不是var dummy = new StreamWriter(ms)

using (var ms = new MemoryStream())
{
    using (var dummy = XmlWriter.Create(ms))
    {
        var sw = new StreamWriter(ms);
        sw.WriteLine("Hello World");
        sw.Flush();
        using (StreamReader rdr = new StreamReader(ms))
        {
            ms.Position = …