protected void Page_Load(object sender, EventArgs e)
        {
            _presenter = new ManageProductPresenter();

            if (!User.IsInRole("Administrator"))
            {
                _presenter.Redirector.GoToHomePage();
            }
            else
            {
                _presenter.Init(this, IsPostBack);
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            _presenter = new ManageProductPresenter();

            if (!User.IsInRole("Administrator"))
            {
                _presenter.Redirector.GoToHomePage();
            }
            else
            {
                _presenter.Init(this, IsPostBack);
            }
        }