InstallAware

I'm a InstallAware7.0 new user.Now I develop a web application. and want to make it a intaller.The use can use it to install in his/her computer .
But it need to use MSSQL,I want to make it so easy for users that when he/he input the Database server name,user name and password it will create connect between Database and applaction. So ,what can I do ?

You will want to make a custom dialog to allow you to capture this information from the user, and store in variables so you can manipulate it in your setup script.