Isolated Storage

file3.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;
            
            //add a key value pair with key name and value chetan
            settings.Add("name", "Chetan");

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

        }

        //Note:Just click on the above save button once because every time you click on it a error will occur
        //Because the value of each Key pair must be unique

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

            string Name="", Marks="";

            //check if target object exists with specific key value
            if (settings.Contains("name"))
            {
                Name = settings["name"].ToString();
            }

            if (settings.Contains("marks"))
            {
                Marks = settings["marks"].ToString();
                Displayblock.Text = "Name of student is " + Name + " and Marks are " + Marks;
            }
            else
            {
                Displayblock.Text = "First save the values to isolated Storage.Click on the save button.";
            }
        }