title: Converting Xml UTF-8 to ISO-8859-9 in c#
body: <p>i have a long xml document just created by string builder with the starting tag like
  <code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;xxxxxx&gt;
  ..
  &lt;/xxxxxx&gt;
  </code>
  and i want to convert this xml to iso-8859-9 encoding type.
  How can i do this?
  Or anyone suggests me another way to create ISO-8859-9 encoding type xml in C#.</p>