dynamic setup preparation

Question

hi
i have developed an application.i want to deploy it in a client machine,bt the problem is that i dont know how to make the crystal report database login information dynamic.can anybody help me in this regard to make the crystal report dynamic so that it can take the login information from the registry at the time of installation of the setup wizard?
how can i incorporate the microsoft.net framework in the setup along with the project so that it will automatically install the framework at the time of installation of projects?

any queries in this regard will be warmly solicited