private void btnAddInventory_Click(object sender, EventArgs e) { try { var selectedSelf = (ShelfResponse)cbShelves.SelectedItem; var selectedvintage = (VintageResponse)cbYears.SelectedItem; var amount = int.Parse(tbAmount.Text); var addinventoryResponnse = Infrastructure.AddInventory(selectedvintage.VintageId, selectedSelf.ShelfId, amount); } catch (Exception error) { MessageBox.Show(error.Message, "Fel"); return; } this.Close(); }