private void dataCusOrder_CellClick(object sender, DataGridViewCellEventArgs e)
{
CusOrders cusO = cusOrdersBindingSource.Current as CusOrders;
txtNumberD.Enabled = false;
btnOrder.Enabled = false;
txtChangeQuan.Enabled = true;
btnChangeQuan.Enabled = true;
}
private void btnChangeQuan_Click(object sender, EventArgs e)
{
CusOrders cusO = cusOrdersBindingSource.Current as CusOrders;
Food_Dish fd = Food_DishBUS.GetByName(cusO.name);
CusOrders cusOder = CusOrderBUS.GetByName(cusO.name);
int tempDish = 0;
int changeQuan = int.Parse(txtChangeQuan.Text);
if (changeQuan == 0 || txtChangeQuan.Text == " " || txtChangeQuan.Text == "")
{
MessageBox.Show("Number of dish can not be 0!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtChangeQuan.Clear();
txtChangeQuan.Focus();
foodDishBindingSource.DataSource = Food_DishBUS.dish_NotLocked();
return;
}
else
{
if (cusO != null)
{
if (changeQuan > fd.stock)
{
MessageBox.Show("Only " + fd.stock + "left!", "Sorry", MessageBoxButtons.OK, MessageBoxIcon.Error);
cusOrdersBindingSource.DataSource = CusOrderBUS.GetAll();
return;
}
else
{
if (changeQuan > cusOder.numberDish)
{
tempDish = changeQuan - cusOder.numberDish;
CusOrderBUS.changeQuantity(cusO);
Food_DishBUS.stockCalulate(fd.Id, tempDish, true);
foodDishBindingSource.DataSource = Food_DishBUS.dish_NotLocked();
labelCost.Text = CusOrderBUS.TotalCost().ToString() + "$";
}
else
{
tempDish = cusOder.numberDish - changeQuan;
CusOrderBUS.changeQuantity(cusO);
Food_DishBUS.stockCalulate(fd.Id, tempDish, false);
foodDishBindingSource.DataSource = Food_DishBUS.dish_NotLocked();
labelCost.Text = CusOrderBUS.TotalCost().ToString() + "$";
}
}
}
else
{
return;
}
}
}
public void delete(CusOrders obj)
{
using (ModelContext db = new ModelContext())
{
if (obj != null)
{
db.Entry <CusOrders>(obj).State = EntityState.Deleted;
db.SaveChanges();
}
else
{
return;
}
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
CusOrders cusOrder = cusOrdersBindingSource.Current as CusOrders;
CusOrders cusO = CusOrderBUS.GetByName(cusOrder.name);
Food_Dish fd = Food_DishBUS.GetByName(cusO.name);
if (cusOrder != null)
{
Food_DishBUS.stockCalulate(fd.Id, cusO.numberDish, false);
CusOrderBUS.delete(cusOrder);
cusOrdersBindingSource.RemoveCurrent();
labelCost.Text = CusOrderBUS.TotalCost().ToString() + "$";
foodDishBindingSource.DataSource = Food_DishBUS.dish_NotLocked();
}
else
{
if (MessageBox.Show("List is empty! Please choose your food.", "Error", MessageBoxButtons.OKCancel, MessageBoxIcon.Error) == DialogResult.OK)
{
dataDishView.Focus();
}
return;
}
}
public static void changeQuantity(CusOrders obj)
{
cusOder.changeQuantity(obj);
}
public static void delete(CusOrders obj)
{
cusOder.delete(obj);
}
