private void ExecuteFilterCommand()
        {
            ReturnedData.Clear();
            DataAccess     db = new DataAccess();
            PlanetAndFruit itemToAdd;

            if (FruitsSelectedItem != null)
            {
                try
                {
                    //Filter based on current color
                    string filer = FruitsSelectedItem.Split(' ')[1];
                    foreach (var item in db.GetAllFruitsWithColor(filer))
                    {
                        itemToAdd      = new PlanetAndFruit();
                        itemToAdd.Name = item.Name;
                        ReturnedData.Add(itemToAdd);
                    }
                }
                catch (Exception e)
                {
                    MessageBox.Show("You Must Select A Color First!");
                }
            }
            else
            {
                MessageBox.Show("You Must Select A Color First!");
            }
        }
        private void ExecuteORderASCCommand()
        {
            ReturnedData.Clear();
            DataAccess     db = new DataAccess();
            PlanetAndFruit itemToAdd;

            foreach (var item in db.GetAllFruitsASC())
            {
                itemToAdd      = new PlanetAndFruit();
                itemToAdd.Name = item.Name;
                ReturnedData.Add(itemToAdd);
            }
        }
        private void ExecuteJoinCommand()
        {
            ReturnedData.Clear();
            DataAccess     db = new DataAccess();
            PlanetAndFruit itemToAdd;

            foreach (var item in db.GetAllJoinByColor())
            {
                itemToAdd       = new PlanetAndFruit();
                itemToAdd.Name  = item.Name;
                itemToAdd.Name2 = item.Name2;
                ReturnedData.Add(itemToAdd);
            }
        }