private void LoadDataFromXML()
        {
            List<Movie> movieList = new List<Movie>();
            try
            {

                using (var sr = new StreamReader(defaultFileLocation))
                {
                    var deserializer = new XmlSerializer(typeof(List<Movie>));
                    movieList = (List<Movie>)deserializer.Deserialize(sr);
                }

            }
            catch (Exception ex)
            {
                var msg = ex.Message;
            }

            if (movieList.Count != 0)
            {
                Data.MovieList = new System.Collections.ObjectModel.ObservableCollection<Movie>(movieList);
            }
        }