Encryptکردن ConnectionString ها موجود در فایل app.Config

Configuration config = ConfigurationManager.OpenExeConfiguration(Configur  ationUserLevel.None);
            config.ConnectionStrings.SectionInformation.ForceS  ave = true;
            config.ConnectionStrings.SectionInformation.Protec  tSection("
RsaProtectedConfigurationProvider");
            config.Save();

Configuration config = WebConfigurationManager.OpenWebConfiguration("myWe  bSite");
            config.ConnectionStrings.SectionInformation.ForceS  ave = true;
            config.ConnectionStrings.SectionInformation.Protec  
tSection("RsaProtectedConfigurationProvider");