private void button4_Click(object sender, EventArgs e)
        {
            Meal m2 = new Meal();

            m2.mealId = textBox6.Text;
            StoreCtrl.deleteMeal(m2);
            button1_Click(null, null);
            textBox6.Clear();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            Meal m3 = new Meal();

            m3.mealId = textBox4.Text;
            m3.price  = textBox5.Text;
            StoreCtrl.updatePrice(m3);
            button1_Click(null, null);
            textBox4.Clear();
            textBox5.Clear();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Meal             m1  = new Meal();
            Store            s2  = new Store();
            string           sql = "select * from menu where 1=1";
            List <object []> a   = Utiles.execQuery(sql);

            m1.mealId   = (a.Count() + 1).ToString();
            m1.mealName = textBox2.Text;
            m1.mealType = comboBox1.Text;
            m1.price    = textBox3.Text;
            StoreCtrl.saveMeal(s2, m1);
            button1_Click(null, null);
            textBox2.Clear();
            comboBox1.Text = "";
            textBox3.Clear();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Store s = new Store();

            if (comboBox1.Text.Trim() == "店名")
            {
                if (textBox1.Text != " ")
                {
                    s.storeName = textBox1.Text;
                    StoreCtrl.updateInfo(s);
                }
            }
            else if (comboBox1.Text.Trim() == "地址")
            {
                if (textBox1.Text != " ")
                {
                    s.address = textBox1.Text;
                    StoreCtrl.updateAddress(s);
                }
            }
            StoreCtrl.listInfo(s, listView1);
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Store s1 = new Store();

            StoreCtrl.loadAllMeals(listView1, s1);
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Store s = new Store();

            StoreCtrl.loadSumOrders(listView2, s);
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Store s = new Store();

            StoreCtrl.loadAllOrders(listView1, s);
        }