private void placeNewOrderToolStripMenuItem_Click(object sender, EventArgs e) { _storeName = null; try { if (StoresDropDown.Text == "") { MessageBox.Show("Choose a Book Store from the drop down.", "Error", MessageBoxButtons.OK); return; } else { _storeName = new store(); if (StoresDropDown.SelectedItem is storeViewModel st) { _storeName.stor_id = st.StoreID; _storeName.stor_name = st.StoreName; } _sales = new sales(); _placeOrder = new PlaceOrderForm(this, _sales, _storeName); _placeOrder.Enabled = true; _placeOrder.ShowDialog(); } } catch { return; } }