How to flat xml to one line in c# code?

Question

How to flat xml to one line in c# code ?

Before:

<CATALOG>
<CD>
    <TITLE>Empire Burlesque</TITLE>
    <ARTIST>Bob Dylan</ARTIST>
    <COUNTRY>USA</COUNTRY>
    <COMPANY>Columbia</COMPANY>
    <PRICE>10.90</PRICE>
    <YEAR>1985</YEAR>
</CD>
</CATALOG>

After:

<CATALOG><CD><TITLE>Empire Burlesque</TITLE><ARTIST>Bob Dylan</ARTIST>COUNTRY>USA</COUNTRY>....

Answer 1

Assuming you're able to use LINQ to XML, and the XML is currently in a file:

XDocument document = XDocument.Load("test.xml");
document.Save("test2.xml", SaveOptions.DisableFormatting);

Answer 2

If you have the XML in a string:

xml.Replace("\n", "").Replace("\r", "")