I wish to test run my newly designed web site from server now its in desktop system please help me.

I don't think this is relevent to this forum.

In most cases you just move your source files to the active directory of your server but you have not supplied enough information for me to answer your question.

aspspider.com Free ASP.NET 4.0 web hosting with SQL Server 2008 Express

dont upload code behind files. use inline code.

All database files must be uploaded to the folder database. All web site files must be uploaded to the folder webroot.

connection string for sql server database-"Data Source=.\SQLExpress;Persist Security Info=True;Integrated Security=SSPI;Initial Catalog=YourUserId_DatabaseName"

if you have any doubt inbox me