private void btn_Calculate_Click(object sender, EventArgs e)
{
double res = 0;
// res = (productPrice * quantity) * (salePercent/100)
string ID = listOrder.SelectedRows[0].Cells[1].Value.ToString();
Drink_Model DRINK_MODEL = new Drink_Model();
int getMoney = DRINK_MODEL.GetPrice_FromID(ID);
int quantity = (int)listOrder.SelectedRows[0].Cells[3].Value;
int sale = (int)listOrder.SelectedRows[0].Cells[4].Value;
double hihi = sale * 1.0 / 100;
int temp = getMoney * quantity;
res = temp - (temp * hihi);
MessageBox.Show(res.ToString() + " VND", "Giá trị đơn hàng là", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btn_AddOrder_Click(object sender, EventArgs e)
{
Bill_Model BILL_MODEL = new Bill_Model();
Order_Model ORDER_MODEL = new Order_Model();
Drink_Model DRINK_MODEL = new Drink_Model();
string orderID = txt_OrderID.Text;
string productID = DRINK_MODEL.GetID_FromName(cbx_Drinks.Text);
int quantity = (int)num_Quantity.Value;
int sale = (int)num_Sale.Value;
BILL_MODEL.AddBill(orderID);
ORDER_MODEL.AddOrder(orderID, productID, quantity, sale);
MessageBox.Show("ADD ORDER SUCCESSFULLY!");
//obj.loadData_Order(); -> Use it when we want callback MainForm :D
this.Close();
this.parentForm.Visible = true;
}