how to keep certain files when upgrading using installshield LE?

Question

I am developing a Winforms app using C# and VS 2010. This app will use a SQLite database that will be deployed with the initial installation of the app.

When I have

Answer 1

In component properties:

1) make sure that Permanant = yes

2) make sure that Shared = yes

file marked as key file not getting unistalled while using installshield