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();
}
}
public void ItemsListView()
{
ListViewItem itemDetails;
// order = new Order();
order = (Order)ordersComboBox.SelectedItem; // reading from the combo box
orderItemsListView.Clear();
if (order == null) // If nothing has been selected yet on the combo box
{
//Set Up Columns of List View
orderItemsListView.View = View.Details;
orderItemsListView.Columns.Insert(0, "Product ID", 133, HorizontalAlignment.Left);
orderItemsListView.Columns.Insert(1, "Product Name", 140, HorizontalAlignment.Left);
orderItemsListView.Columns.Insert(2, "Quantity", 133, HorizontalAlignment.Left);
}
else
{
orderItemsListView.View = View.Details;
orderItemsListView.Columns.Insert(0, "Product ID", 133, HorizontalAlignment.Left);
orderItemsListView.Columns.Insert(1, "Product Name", 140, HorizontalAlignment.Left);
orderItemsListView.Columns.Insert(2, "Quantity", 133, HorizontalAlignment.Left);
orderItems = null; //employees collection will be filled by role
orderItems = orderItemsController.FindByOrderID(order.OrderID);
//Add item details to each ListView item
foreach (OrderItems item in orderItems)
{
Product product = productController.Find(item.ProductID); // get the selected product details
itemDetails = new ListViewItem();
itemDetails.Text = item.ProductID.ToString();
itemDetails.SubItems.Add(product.ProductName);
itemDetails.SubItems.Add(item.Quantity.ToString());
orderItemsListView.Items.Add(itemDetails);
}
}
orderItemsListView.Refresh();
orderItemsListView.GridLines = true;
}
