private void ButtonAdd_Click(object sender, EventArgs e)
        {
            //MessageBox.Show("Hey, we're adding homie");
            if (ButtonAdd.Content.Equals("Add"))
            {
                ButtonAdd.Content      = "Save";
                ButtonAdd.Background   = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FF1D3A"));
                TextBoxName.Text       = "";
                TextBoxAge.Text        = "";
                TextBoxName.Background = (SolidColorBrush)Brushes.White;
                TextBoxAge.Background  = (SolidColorBrush)Brushes.White;

                TextBoxName.IsReadOnly = false;
                TextBoxAge.IsReadOnly  = false;

                ButtonEdit.IsEnabled = false;
                ButtonDel.IsEnabled  = false;

                TextBoxName.Focus();
            }
            else
            {
                ButtonAdd.Content    = "Add";
                ButtonAdd.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#E8C3E3"));
                //Clear out boxes, set to white
                TextBoxName.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FFD6E5"));
                TextBoxAge.Background  = (SolidColorBrush)(new BrushConverter().ConvertFrom("#FFD6E5"));
                TextBoxName.IsReadOnly = true;
                TextBoxAge.IsReadOnly  = true;

                if (TextBoxName.Text.Length > 0 && TextBoxAge.Text.Length > 0)
                {
                    //get age
                    if (int.TryParse(TextBoxAge.Text, out int age))
                    {
                        var RabbitToAdd = new Rabbit()
                        {
                            Name = TextBoxName.Text,
                            Age  = age
                        };

                        using (var db = new RabbitDbEntities())
                        {
                            db.Rabbits.Add(RabbitToAdd);
                            db.SaveChanges();
                            rabbits = db.Rabbits.ToList();
                            listBoxRabbits.ItemsSource = rabbits;
                        }
                    }
                }
            }
        }
        private void ListBoxRabbits_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (listBoxRabbits.SelectedItem != null)
            {
                //Whenever we select an item in the list, cast it from type object to type RABBIT. Place it in the global 'rabbit' variable.
                rabbit = (Rabbit)listBoxRabbits.SelectedItem;
                //MessageBox.Show(rabbit.Name);

                TextBoxName.Text = rabbit.Name;
                TextBoxAge.Text  = rabbit.Age.ToString();

                //enable edit and delete
                ButtonEdit.IsEnabled = true;
                ButtonDel.IsEnabled  = true;
            }
        }