how to connect application to sql server 2008 through remote

Question

Is there any way to connect to the database which is at remote server using asp.net? string.I checked for TCP/IP ports at remote desktop.They are also enabled I have tried specifying IP address and SQL server name in the connection string but it shows following error. (provider: TCP Provider, error: 0 - A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.)