How resolve Deployment when we change server

Question

i built an application using sql server express , Wpf and LINQ To sql the problem is if we change the server we are obliged to change the connection string used in all the application . if we create another database in an other machine the problem will be resolve when we just cut and paste the new connection string i read that when we work with sql server express this will not be possible??
i am asking you for some tips to resolve this problem

Answer 1

If you change the server, and you can do a DNS redirection to new one, that solve your problem. Otherwise you will have to re-redistribute your application.