private void submit(object sender, EventArgs e)
        {
            MyDatabase      db    = new MyDatabase();
            List <ToDoItem> items = db.GetAllItems();

            // validate
            if (Name.Text == "")
            {
                errormesage.IsVisible = true;
                errormesage.TextColor = Color.Red;
                errormesage.Text      = "Invalid inputs";
            }

            foreach (ToDoItem item in items)
            {
                if (item.Name == Name.Text)
                {
                    // delete
                    db.Delete(item);
                    errormesage.IsVisible = true;
                    errormesage.TextColor = Color.Green;
                    errormesage.Text      = "Object deleted";
                    return;
                }
            }

            errormesage.IsVisible = true;
            errormesage.TextColor = Color.Red;
            errormesage.Text      = "No Object under that name found";
        }