private void Bind() { if (!string.IsNullOrWhiteSpace(Request.QueryString["productItemId"])) { Guid productItemId = Guid.Empty; Guid.TryParse(Request.QueryString["productItemId"], out productItemId); if (!productItemId.Equals(Guid.Empty)) { ProductDetail bll = new ProductDetail(); var model = bll.GetModel(productId, productItemId); if (model != null) { hAction_ProductDetail.Value = Request.QueryString["action"]; var li = ddlProductItem.Items.FindByValue(model.ProductItemId.ToString()); if (li != null) { li.Selected = true; } txtOriginalPrice.Value = model.OriginalPrice.ToString(); txtProductPrice.Value = model.ProductPrice.ToString(); txtDiscount.Value = model.Discount.ToString(); txtDiscountDescri.Value = model.DiscountDescr; txtaContent.Value = model.ContentText; } } } }