I want to know how to change automatically the connection string of my app so when I\'m working on it in my pc, it uses my local SQL Server and once I publish it then uses t
The two configs are built for their respective build setting, so you can put your dev connection string in Web.Debug.config
and your prod connection string in Web.Release.config
. Then, when you deploy to production, run a Release build and your resulting Web.Config will have the production connection string.