If you experience a "Connection timed out" error when using WebMatrix, Visual Studio, etc., it is because your local firewall and/or router is blocking port 8172.Unblocking port 8172 in your firewall/router should resolve the issue.
You can download WebMatrix for free: http://www.microsoft.com/web/webmatrix/
To obtain the XML file to use to upload/edit in WebMatrix, log into your Plesk account...
Please use following connection string syntax for connecting MSSQL DB from your ASP/.NET...
In your web.config file, add the following line of code to enable HTTP...
The physical path to your account would be: C:\inetpub\vhosts\your_username\ Replace...