private void Sell_Load(object sender, EventArgs e)
{
Mainmenu = Application.OpenForms["MainMenu"];
foreach (Product item in ((MainMenu)Mainmenu).GetProduct())
{
ListViewItem li = new ListViewItem();
li.Text = item.ProductName;
li.SubItems.Add(item.UnitPrice.ToString());
lstSell.Items.Add(li);
}
txtPrice.Text = orepo.CalculatePrice(((MainMenu)Mainmenu).GetProduct()).ToString();
}
