// Product Type Editor private void LoadProductTypeEditor(ProductType q) { List <MerchantTribe.Commerce.Catalog.ProductType> allTypes = MyPage.MTApp.CatalogServices.ProductTypes.FindAll(); allTypes.Insert(0, new MerchantTribe.Commerce.Catalog.ProductType() { Bvin = "0", ProductTypeName = "Generic" }); List <FriendlyBvinDisplay> displayData = new List <FriendlyBvinDisplay>(); foreach (string bvin in q.CurrentTypeIds()) { FriendlyBvinDisplay item = new FriendlyBvinDisplay(); item.bvin = bvin; item.DisplayName = bvin; var t = allTypes.Where(y => y.Bvin == bvin).FirstOrDefault(); if (t != null) { item.DisplayName = t.ProductTypeName; allTypes.Remove(t); } displayData.Add(item); } this.lstProductTypes.DataSource = allTypes; this.lstProductTypes.DataValueField = "Bvin"; this.lstProductTypes.DataTextField = "ProductTypeName"; this.lstProductTypes.DataBind(); this.gvProductTypes.DataSource = displayData; this.gvProductTypes.DataBind(); }