protected void btnSubmit_Click(object sender, EventArgs e) { if (!Page.IsValid) { return; } bool Updating = false; OrderDetail oOrderDetail = null; if (OrderDetailID > 0) { oOrderDetail = OrderDetailManager.GetOrderDetailByID(OrderDetailID); Updating = oOrderDetail != null; } if (!Updating) { oOrderDetail = new OrderDetail(); } oOrderDetail.OrderID = this.ddlOrderID.SelectedValue.ToInt(); oOrderDetail.ProductID = this.ddlProductID.SelectedValue.ToInt(); oOrderDetail.Quantity = this.txtQuantity.ValueInt; oOrderDetail.TaxRate = this.txtTaxRate.ValueByte; oOrderDetail.UnitPrice = this.txtUnitPrice.ValueDecimal; oOrderDetail.DiscountAmount = this.txtDiscountAmount.ValueDecimal; oOrderDetail.TotalPrice = this.txtTotalPrice.ValueDecimal; oOrderDetail.FinalPrice = this.txtFinalPrice.ValueDecimal; oOrderDetail.CurrencyID = this.ddlCurrencyID.SelectedValue.ToInt(); bool bSuccess = Updating ? OrderDetailManager.UpdateOrderDetail(oOrderDetail) : OrderDetailManager.InsertOrderDetail(oOrderDetail); if (bSuccess) { Redirect("/orderdetail-list?s=1"); } else { base.Warn("error.save"); } }