private void Cart_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
f2.Show();
CartRepository cartRepository = new CartRepository();
f2.dataGridView1.DataSource = cartRepository.GetAll();
this.Hide();
}
private void Order_Click(object sender, EventArgs e)
{
Form3 f3 = new Form3();
f3.Show();
CartRepository cartRepository = new CartRepository();
List <Cart> cart = cartRepository.GetAll();
cart.Clear();
this.Hide();
}