//An action handler that add inventories to that inventories
private void btnAddInventory_Click(object sender, EventArgs e)
{
inventories.AddInventories(txtBookTitle.Text, txtAuthor.Text, txtPublisher.Text);
List <InventoryItems> items = inventories.getListsItems();
if (lstSummary.Items.Count > 0)
{
lstSummary.Items.Clear();
}
foreach (InventoryItems item in items)
{
lstSummary.Items.Add("Item successfully Added to Inventory");
lstSummary.Items.Add("");
lstSummary.Items.Add(label2.Text + " " + item.getbookTitle());
lstSummary.Items.Add(label3.Text + " " + item.GetAuthorName());
lstSummary.Items.Add(label4.Text + " " + item.getPubisher());
lstSummary.Items.Add("");
lstSummary.Items.Add("*****************************");
}
clearControls();
}