XML Schema Definition Tool (Xsd.exe)

Create any XML
Generate xsd using xml. Rfe: http://www.freeformatter.com/xsd-generator.html#ad-output
Now open Visual Studio Command Prompt 2010 Administration mode.
Type xsd
you should get all help..
C:\WINDOWS\system32>xsd C:\Users\Admin\Documents\Test\My.xsd /c /out:C:\Users\Admin\Documents\Test