private void UpdateProductForm_Load(object sender, EventArgs e) { serviceDAA = new DBControllerWSClient(); brands = new BindingList <brand>(serviceDAA.queryAllBrand()); for (int i = 0; i < brands.Count; i++) { cboBrand.Items.Add("" + brands[i].name); } //cboBrand.DataSource = brands; families = new BindingList <family>(serviceDAA.queryAllFamily()); for (int i = 0; i < families.Count; i++) { cboFamily.Items.Add("" + families[i].name); } discounts = new BindingList <discount>(serviceDAA.queryAllDiscount()); for (int i = 0; i < discounts.Count; i++) { cboDiscount.Items.Add("" + discounts[i].description); } }