protected void btnCheckOut_Click(object sender, EventArgs e) { string strTotalAmount = string.Empty; string strOrderID = string.Empty; bool success = false; try { using (ShoppingCartAccess shoppingCart = new ShoppingCartAccess()) { DataTable dtTotalAmount = shoppingCart.ShoppingCart_GetTotalAmount(); strOrderID = shoppingCart.ShoppingCart_CreateOrder(rbtnPaymentOption.SelectedValue); if (dtTotalAmount.Rows.Count > 0) { strTotalAmount = dtTotalAmount.Rows[0]["TotalAmount"].ToString(); success = true; } } } catch (Exception ex) { lblSystemMessage.Text = "Error: " + ex.Message; } if (success) { this.Session["PAYMENT_OPTION"] = rbtnPaymentOption.SelectedItem.Text; this.Session["ORDER_ID"] = strOrderID; Response.Redirect("Default.aspx"); } else { Response.Redirect("~/Default.aspx"); } }