Why can't I set the XDocument XDeclaration encoding type to iso-8859-1?

Question

Why doesn\'t the following code set the XML declaration encoding type? It always sets the encoding to utf-16 instead. Am I missing something very obvious?

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Answer 1

As stated, the .NET XML/Stream writing implementation 'picks up' or interprets the encoding from somewhere other than the declared XML encoding. I have successfully tested a working solution, as described at the URL contained within the earlier Stackoverflow post

XDocument xmlDoc = new XDocument(
        new XDeclaration("1.0", "utf-8", "no"), 
        new XElement("foo", "bar"));

MemoryStream memstream = new MemoryStream();
XmlTextWriter xmlwriter = new XmlTextWriter(memstream, new UTF8Encoding());

//'Write' (save) XDocument XML to MemoryStream-backed XmlTextWriter instance
xmlDoc.Save(xmlwriter);

//Read back XML string from stream
xmlwriter.Flush();    
memstream.Seek(0, SeekOrigin.Begin);  //OR "stream.Position = 0"
StreamReader streamreader = new StreamReader(memstream);
string xml = streamreader.ReadToEnd();

Console.WriteLine(xml);
Console.WriteLine(reader.ReadToEnd());

I hope this helps somebody.

Cheers