Isolated storage

file6.cs

 //For single object data such as string

        private void Save_single_object_button_click(object sender, RoutedEventArgs e)
        {
            //Declare the instance of Isolated Storage settings
            var settings = IsolatedStorageSettings.ApplicationSettings;

            if (!settings.Contains("name"))
            {
                //add a key value pair with key name and value chetan
                settings.Add("name", "Chetan");

            }

            if (settings.Contains("marks"))
            {
                //add a key value pair with key marks and value 100
                settings.Add("marks", 100);
            }

        }