how to publish/deploy/setup c# database winform app

Question

Hi, everyone I am in trouble. I watch a lot of video tutorials of how to deploy or create a setup file for installation on another computer. I want make a setup file of my c# windows form application with database connection. I have a app.config file where I give my connection string to connect my db with my project app. Tell me about It to achieve it to make it a setup with no error of db files. Thanks a lot.