How to decode string to XML string in C#

Using xml: How to decode string to XML string in C# on newest questions tagged xml – Stack Overflow

I have a string (from a CDATA element) that contains description of XML. I need to decode this string into a new string that displays the characters correctly using C#

Existing String:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?><myreport xmlns="http://test.com/rules/client"><admin><ordernumber>123</ordernumber><state>NY</state></report></myreport>

String Wanted:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<myreport xmlns="http://test.com/rules/client">
<admin><ordernumber>123</ordernumber><state>NY</state></report></myreport>

source: http://stackoverflow.com/questions/6757019/how-to-decode-string-to-xml-string-in-c-sharp
Using xml: using-xml