This is remote debugging not automatic deployment.
You should copy all the website files to the remote iis. Remember to build in debug and deploy all the .pdb files. Check also in web.config.
<system.web>
<compilation debug="true" />
</system.web>
Launch the Remote Debugging Monitor (msvsmon.exe) when you start debugging
There you can find a comprehensive guide to remote debugging:
http://www.codeproject.com/Articles/38132/Remote-IIS-Debugging-Debug-your-ASP-NET-Applicatio