private void OrderForm_FormClosing(object sender, FormClosingEventArgs e) // If a user exits from creating order then delete order
{
if (MessageBox.Show("Are you sure you want cancel the order?", "Canceling Order", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
if (closedByBack == true)
{
CreateOrderForm createOrderForm = new CreateOrderForm(customerController);
createOrderForm.Show();
}
if (orderInProgress == true)
{
Collection <OrderItems> deletingItems = orderItemsController.FindByOrderID(order.OrderID); // putting all products to be deleted in a collection
foreach (OrderItems eachItem in deletingItems) // iterating through items and adding them
{
Product eachProduct = productController.Find(eachItem.ProductID); // getting the product object
eachProduct.QuantityInStock += eachItem.Quantity;
orderItemsController.DataMaintenance(eachItem, DatabaseLayer.DB.DBOperation.Delete); // deleting each item on the order
orderItemsController.FinalizeChanges(changingItem);
productController.DataMaintenance(eachProduct, DatabaseLayer.DB.DBOperation.Edit); // reversing item in stock
productController.FinalizeChanges(product);
}
orderController.DataMaintenance(order, DatabaseLayer.DB.DBOperation.Delete); // Now deleting the order
orderItemsController.FinalizeChanges(changingItem);
}
}
else
{
e.Cancel = true;
this.Activate();
}
}