private void buttonSaveBook_Click(object sender, EventArgs e)
{
List <Inventory> listI = InventoryDA.ListInventory();
if (IsValidInventoryData())
{
if (!Validation.IsUniqueISBN(listI, Convert.ToInt32(textBoxISBN.Text)))
{
MessageBox.Show("Duplicate", "DUPLICATE Author ID");
textBoxISBN.Clear();
textBoxISBN.Focus();
return;
}
Inventory aProducts = new Inventory();
aProducts.ISBNProduct = Convert.ToInt32(textBoxISBN.Text);
aProducts.ProductTitle = textBoxBookTitle.Text;
aProducts.ProductDescription = comboboxProductDescription.Text;
aProducts.LastName = comboBoxAuthorId.Text;
aProducts.PublisherName = comboBoxPublisherName.Text;
aProducts.ProductYearPublished = Convert.ToInt32(textBoxYearPushlished.Text);
aProducts.ProductQuantity = Convert.ToInt32(textBoxQuantityOnHand.Text);
aProducts.ProductPrice = Convert.ToDouble(textBoxBookPrice.Text);
InventoryDA.Save(aProducts);
listB.Add(aProducts);
buttonListBook.Enabled = true;
ClearAll();
}
}