问从数据库中导出XML文件，并在实际列之前获得没有任何属性的干净格式

EN

class MyWriter : XmlTextWriter
{
    private int Top // this is a pointer to top of internal stack that XmlWriter uses to determine closing tag correspondence
    {
        get
        {
            FieldInfo top = typeof(XmlTextWriter).GetField("top", BindingFlags.NonPublic | BindingFlags.Instance);
            return (int)top.GetValue(this);
        }
    }

    public MyWriter(string name, Encoding enc) : base(name, enc) {}

    public override void WriteStartElement(string prefix, string localName, string ns)
    {
        if (localName == "NewDataSet") { // skip the tag
            MethodInfo PushStack = typeof(XmlTextWriter).GetMethod("PushStack", BindingFlags.NonPublic | BindingFlags.Instance);
            PushStack.Invoke(this, new object[] {}); // for internal state tracking to work, we still need to push the stack as if we wrote it out. we'll have to account for that later
            return;
        }

        base.WriteStartElement(prefix, localName, ns);
    }

    public override void WriteEndElement()
    {
        if(Top <= 1) return; // do not attempt to write outermost tag, we already skipped it in the opening counterpart
        base.WriteEndElement();
    }
}
void Main()
{
    //...your code here

    var writer = new MyWriter(@"C:\Test\Test.XML", Encoding.UTF8); // instantiate your own writerm
    ds.WriteXml(writer, XmlWriteMode.IgnoreSchema); // and use it instead of stock standard
}