// test findPOItemByPOItemID protected void Button2_Click(object sender, EventArgs e) { using (PurchaseOrderManager pom = new PurchaseOrderManager()) { PurchaseOrderItem item = pom.FindPurchaseOrderItemByID(Convert.ToInt32(TextBox2.Text.ToString())); item.QuantityToOrder = 80; PurchaseOrderItem itemUpdate = pom.UpdatePurchaseOrderItem(item); } }