The problem is: Free hoster have no access to your PC (127.0.0.1)
Download:
Install xampp on your local Drive
1. Go to c:\xampp\xampp\htdocs and put the files (index.html, processor.php) in the folder.
2. Open processor.php and Change the follow:
Code:
// Connection with MSSQL server
$conn=mssql_connect('127.0.0.1','SQLLOGIN','SQLPASSWORD');
3. Go to

and register a free subdomainLogin and Choose "My Services" Choose "Host with IP-Adress". After this go to your router webseite
and forward the Port 80 (HTTP Server) to your IP Adress 192.***.***.***
after this Start Apache and go to your Subdomain
End
Sorry my English is not perfect ^,^