private void comboBoxDecoration_SelectedIndexChanged(object sender, EventArgs e)
{
DB.CakePrice(comboBoxDecoration.Text, 4);
PriceTB.Text = DB.price.ToString();;
}
private void comboBoxFrosting_SelectedIndexChanged(object sender, EventArgs e)
{
DB.CakePrice(comboBoxFrosting.Text, 3);
PriceTB.Text = DB.price.ToString();;
}