protected void Page_Load(object sender, EventArgs e)
        {
            if (Session["payment_method"] == "paypal")
            {
                NVPAPICaller payPalCaller = new NVPAPICaller();
                string       retMsg       = "";
                string       token        = "";

                if (Session["payment_amt"] != null)
                {
                    string amt = Session["payment_amt"].ToString();

                    bool ret = payPalCaller.ShortcutExpressCheckout(amt, ref token, ref retMsg);
                    if (ret)
                    {
                        Session["token"] = token;
                        Response.Redirect(retMsg);
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
                else
                {
                    Response.Redirect("CheckoutError.aspx?ErrorCode=AmtMissing");
                }
            }
            else if (Session["payment_method"] == "ezycard")
            {
                EzyCardFunctions ezyCardCaller = new EzyCardFunctions();
                string           retMsg        = "";
                string           token         = "";

                if (Session["payment_amt"] != null)
                {
                    string amt = Session["payment_amt"].ToString();

                    bool ret = ezyCardCaller.ShortcutExpressCheckout(amt, ref token, ref retMsg);
                    if (ret)
                    {
                        Session["token"] = token;
                        Response.Redirect(retMsg);
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
                else
                {
                    Response.Redirect("CheckoutError.aspx?ErrorCode=AmtMissing");
                }
            }
        }
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["payment_method"] == "paypal")
        {
            NVPAPICaller payPalCaller = new NVPAPICaller();
            string retMsg = "";
            string token = "";

            if (Session["payment_amt"] != null)
            {
                string amt = Session["payment_amt"].ToString();

                bool ret = payPalCaller.ShortcutExpressCheckout(amt, ref token, ref retMsg);
                if (ret)
                {
                    Session["token"] = token;
                    Response.Redirect(retMsg);
                }
                else
                {
                    Response.Redirect("CheckoutError.aspx?" + retMsg);
                }
            }
            else
            {
                Response.Redirect("CheckoutError.aspx?ErrorCode=AmtMissing");
            }
        }
        else if (Session["payment_method"] == "ezycard")
        {
            EzyCardFunctions ezyCardCaller = new EzyCardFunctions();
            string retMsg = "";
            string token = "";

            if (Session["payment_amt"] != null)
            {
                string amt = Session["payment_amt"].ToString();

                bool ret = ezyCardCaller.ShortcutExpressCheckout(amt, ref token, ref retMsg);
                if (ret)
                {
                    Session["token"] = token;
                    Response.Redirect(retMsg);
                }
                else
                {
                    Response.Redirect("CheckoutError.aspx?" + retMsg);
                }
            }
            else
            {
                Response.Redirect("CheckoutError.aspx?ErrorCode=AmtMissing");
            }
        }
    }
Exemple #3
0
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Session["payment_method"] == "paypal")
                {
                    NVPAPICaller payPalCaller = new NVPAPICaller();

                    string   retMsg  = "";
                    string   token   = "";
                    string   PayerID = "";
                    NVPCodec decoder = new NVPCodec();
                    token = Session["token"].ToString();

                    bool ret = payPalCaller.GetCheckoutDetails(token, ref PayerID, ref decoder, ref retMsg);
                    if (ret)
                    {
                        Session["payerId"] = PayerID;

                        var myOrder = new Order();
                        myOrder.OrderDate  = Convert.ToDateTime(decoder["TIMESTAMP"].ToString());
                        myOrder.Username   = User.Identity.Name;
                        myOrder.FirstName  = decoder["FIRSTNAME"].ToString();
                        myOrder.LastName   = decoder["LASTNAME"].ToString();
                        myOrder.Address    = decoder["SHIPTOSTREET"].ToString();
                        myOrder.City       = decoder["SHIPTOCITY"].ToString();
                        myOrder.State      = decoder["SHIPTOSTATE"].ToString();
                        myOrder.PostalCode = decoder["SHIPTOZIP"].ToString();
                        myOrder.Country    = decoder["SHIPTOCOUNTRYCODE"].ToString();
                        myOrder.Email      = decoder["EMAIL"].ToString();
                        myOrder.Total      = Convert.ToDecimal(decoder["AMT"].ToString());

                        // Verify total payment amount as set on CheckoutStart.aspx.
                        try
                        {
                            decimal paymentAmountOnCheckout = Convert.ToDecimal(Session["payment_amt"].ToString());
                            decimal paymentAmoutFromPayPal  = Convert.ToDecimal(decoder["AMT"].ToString());
                            if (paymentAmountOnCheckout != paymentAmoutFromPayPal)
                            {
                                Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                            }
                        }
                        catch (Exception)
                        {
                            Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                        }

                        // Get DB context.
                        ProductContext _db = new ProductContext();

                        // Add order to DB.
                        _db.Orders.Add(myOrder);
                        _db.SaveChanges();

                        // Get the shopping cart items and process them.
                        using (EzyCards.Logic.ShoppingCartActions usersShoppingCart = new EzyCards.Logic.ShoppingCartActions())
                        {
                            List <CartItem> myOrderList = usersShoppingCart.GetCartItems();

                            // Add OrderDetail information to the DB for each product purchased.
                            for (int i = 0; i < myOrderList.Count; i++)
                            {
                                // Create a new OrderDetail object.
                                var myOrderDetail = new OrderDetail();
                                myOrderDetail.OrderId   = myOrder.OrderId;
                                myOrderDetail.Username  = User.Identity.Name;
                                myOrderDetail.ProductId = myOrderList[i].ProductId;
                                myOrderDetail.Quantity  = myOrderList[i].Quantity;
                                myOrderDetail.UnitPrice = myOrderList[i].Product.UnitPrice;

                                // Add OrderDetail to DB.
                                _db.OrderDetails.Add(myOrderDetail);
                                _db.SaveChanges();
                            }

                            // Set OrderId.
                            Session["currentOrderId"] = myOrder.OrderId;

                            // Display Order information.
                            List <Order> orderList = new List <Order>();
                            orderList.Add(myOrder);
                            ShipInfo.DataSource = orderList;
                            ShipInfo.DataBind();

                            // Display OrderDetails.
                            OrderItemList.DataSource = myOrderList;
                            OrderItemList.DataBind();
                        }
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
                else if (Session["payment_method"] == "ezycard")
                {
                    EzyCardFunctions ezyCardCaller = new EzyCardFunctions();

                    string      retMsg  = "";
                    string      token   = "";
                    string      PayerID = "";
                    NVPEzyCodec decoder = new NVPEzyCodec();
                    token = Session["token"].ToString();

                    bool ret = ezyCardCaller.GetCheckoutDetails(token, ref PayerID, ref decoder, ref retMsg);
                    if (ret)
                    {
                        Session["payerId"] = PayerID;

                        var myOrder = new Order();
                        myOrder.OrderDate      = Convert.ToDateTime(decoder["TIMESTAMP"].ToString());
                        myOrder.Username       = User.Identity.Name;
                        myOrder.FirstName      = decoder["FIRSTNAME"].ToString();
                        myOrder.LastName       = decoder["LASTNAME"].ToString();
                        myOrder.Address        = decoder["SHIPTOSTREET"].ToString();
                        myOrder.City           = decoder["SHIPTOCITY"].ToString();
                        myOrder.State          = decoder["SHIPTOSTATE"].ToString();
                        myOrder.PostalCode     = decoder["SHIPTOZIP"].ToString();
                        myOrder.Country        = decoder["SHIPTOCOUNTRYCODE"].ToString();
                        myOrder.Email          = decoder["EMAIL"].ToString();
                        myOrder.Total          = Convert.ToDecimal(decoder["AMT"].ToString());
                        myOrder.HasBeenShipped = false;
                        // Verify total payment amount as set on CheckoutStart.aspx.
                        try
                        {
                            decimal paymentAmountOnCheckout = Convert.ToDecimal(Session["payment_amt"].ToString());
                            decimal paymentAmoutFromPayPal  = Convert.ToDecimal(decoder["AMT"].ToString());
                            if (paymentAmountOnCheckout != paymentAmoutFromPayPal)
                            {
                                Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                            }
                        }
                        catch (Exception)
                        {
                            Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                        }

                        // Get DB context.
                        ProductContext _db = new ProductContext();

                        // Add order to DB.
                        _db.Orders.Add(myOrder);
                        _db.SaveChanges();

                        // Get the shopping cart items and process them.
                        using (EzyCards.Logic.ShoppingCartActions usersShoppingCart = new EzyCards.Logic.ShoppingCartActions())
                        {
                            List <CartItem> myOrderList = usersShoppingCart.GetCartItems();

                            // Add OrderDetail information to the DB for each product purchased.
                            for (int i = 0; i < myOrderList.Count; i++)
                            {
                                // Create a new OrderDetail object.
                                var myOrderDetail = new OrderDetail();
                                myOrderDetail.OrderId   = myOrder.OrderId;
                                myOrderDetail.Username  = User.Identity.Name;
                                myOrderDetail.ProductId = myOrderList[i].ProductId;
                                myOrderDetail.Quantity  = myOrderList[i].Quantity;
                                myOrderDetail.UnitPrice = myOrderList[i].Product.UnitPrice;

                                // Add OrderDetail to DB.
                                _db.OrderDetails.Add(myOrderDetail);
                                _db.SaveChanges();
                            }

                            // Set OrderId.
                            Session["currentOrderId"] = myOrder.OrderId;

                            // Display Order information.
                            List <Order> orderList = new List <Order>();
                            orderList.Add(myOrder);
                            ShipInfo.DataSource = orderList;
                            ShipInfo.DataBind();

                            // Display OrderDetails.
                            OrderItemList.DataSource = myOrderList;
                            OrderItemList.DataBind();
                        }
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
            }
        }
Exemple #4
0
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                // Verify user has completed the checkout process.
                if ((string)Session["userCheckoutCompleted"] != "true")
                {
                    Session["userCheckoutCompleted"] = string.Empty;
                    Response.Redirect("CheckoutError.aspx?" + "Desc=Unvalidated%20Checkout.");
                }
                if (Session["payment_method"] == "paypal")
                {
                    NVPAPICaller payPalCaller = new NVPAPICaller();

                    string   retMsg             = "";
                    string   token              = "";
                    string   finalPaymentAmount = "";
                    string   PayerID            = "";
                    NVPCodec decoder            = new NVPCodec();

                    token              = Session["token"].ToString();
                    PayerID            = Session["payerId"].ToString();
                    finalPaymentAmount = Session["payment_amt"].ToString();

                    bool ret = payPalCaller.DoCheckoutPayment(finalPaymentAmount, token, PayerID, ref decoder, ref retMsg);
                    if (ret)
                    {
                        // Retrieve PayPal confirmation value.
                        string PaymentConfirmation = decoder["PAYMENTINFO_0_TRANSACTIONID"].ToString();
                        TransactionId.Text = PaymentConfirmation;


                        ProductContext _db = new ProductContext();
                        // Get the current order id.
                        int currentOrderId = -1;
                        if (Session["currentOrderId"] != string.Empty)
                        {
                            currentOrderId = Convert.ToInt32(Session["currentOrderID"]);
                        }
                        Order myCurrentOrder;
                        if (currentOrderId >= 0)
                        {
                            // Get the order based on order id.
                            myCurrentOrder = _db.Orders.Single(o => o.OrderId == currentOrderId);
                            // Update the order to reflect payment has been completed.
                            myCurrentOrder.PaymentTransactionId = PaymentConfirmation;
                            // Save to DB.
                            _db.SaveChanges();
                        }

                        // Clear shopping cart.
                        using (EzyCards.Logic.ShoppingCartActions usersShoppingCart =
                                   new EzyCards.Logic.ShoppingCartActions())
                        {
                            usersShoppingCart.EmptyCart();
                        }

                        // Clear order id.
                        Session["currentOrderId"] = string.Empty;
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }

                else if (Session["payment_method"] == "ezycard")
                {
                    EzyCardFunctions ezyCardCaller = new EzyCardFunctions();

                    string      retMsg             = "";
                    string      token              = "";
                    string      finalPaymentAmount = "";
                    string      PayerID            = "";
                    NVPEzyCodec decoder            = new NVPEzyCodec();

                    token              = Session["token"].ToString();
                    PayerID            = Session["payerId"].ToString();
                    finalPaymentAmount = Session["payment_amt"].ToString();

                    bool ret = ezyCardCaller.DoCheckoutPayment(finalPaymentAmount, token, PayerID, ref decoder, ref retMsg);
                    if (ret)
                    {
                        // Retrieve PayPal confirmation value.
                        string PaymentConfirmation = decoder["PAYMENTINFO_0_TRANSACTIONID"].ToString();
                        TransactionId.Text = PaymentConfirmation;


                        ProductContext _db = new ProductContext();
                        // Get the current order id.
                        int currentOrderId = -1;
                        if (Session["currentOrderId"] != string.Empty)
                        {
                            currentOrderId = Convert.ToInt32(Session["currentOrderID"]);
                        }
                        Order myCurrentOrder;
                        if (currentOrderId >= 0)
                        {
                            // Get the order based on order id.
                            myCurrentOrder = _db.Orders.Single(o => o.OrderId == currentOrderId);
                            // Update the order to reflect payment has been completed.
                            myCurrentOrder.PaymentTransactionId = PaymentConfirmation;
                            // Save to DB.
                            _db.SaveChanges();
                        }

                        // Clear shopping cart.
                        using (EzyCards.Logic.ShoppingCartActions usersShoppingCart =
                                   new EzyCards.Logic.ShoppingCartActions())
                        {
                            usersShoppingCart.EmptyCart();
                        }

                        // Clear order id.
                        Session["currentOrderId"] = string.Empty;
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Session["payment_method"] == "paypal")
                {
                    NVPAPICaller payPalCaller = new NVPAPICaller();

                    string retMsg = "";
                    string token = "";
                    string PayerID = "";
                    NVPCodec decoder = new NVPCodec();
                    token = Session["token"].ToString();

                    bool ret = payPalCaller.GetCheckoutDetails(token, ref PayerID, ref decoder, ref retMsg);
                    if (ret)
                    {
                        Session["payerId"] = PayerID;

                        var myOrder = new Order();
                        myOrder.OrderDate = Convert.ToDateTime(decoder["TIMESTAMP"].ToString());
                        myOrder.Username = User.Identity.Name;
                        myOrder.FirstName = decoder["FIRSTNAME"].ToString();
                        myOrder.LastName = decoder["LASTNAME"].ToString();
                        myOrder.Address = decoder["SHIPTOSTREET"].ToString();
                        myOrder.City = decoder["SHIPTOCITY"].ToString();
                        myOrder.State = decoder["SHIPTOSTATE"].ToString();
                        myOrder.PostalCode = decoder["SHIPTOZIP"].ToString();
                        myOrder.Country = decoder["SHIPTOCOUNTRYCODE"].ToString();
                        myOrder.Email = decoder["EMAIL"].ToString();
                        myOrder.Total = Convert.ToDecimal(decoder["AMT"].ToString());

                        // Verify total payment amount as set on CheckoutStart.aspx.
                        try
                        {
                            decimal paymentAmountOnCheckout = Convert.ToDecimal(Session["payment_amt"].ToString());
                            decimal paymentAmoutFromPayPal = Convert.ToDecimal(decoder["AMT"].ToString());
                            if (paymentAmountOnCheckout != paymentAmoutFromPayPal)
                            {
                                Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                            }
                        }
                        catch (Exception)
                        {
                            Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                        }

                        // Get DB context.
                        ProductContext _db = new ProductContext();

                        // Add order to DB.
                        _db.Orders.Add(myOrder);
                        _db.SaveChanges();

                        // Get the shopping cart items and process them.
                        using (EzyCards.Logic.ShoppingCartActions usersShoppingCart = new EzyCards.Logic.ShoppingCartActions())
                        {
                            List<CartItem> myOrderList = usersShoppingCart.GetCartItems();

                            // Add OrderDetail information to the DB for each product purchased.
                            for (int i = 0; i < myOrderList.Count; i++)
                            {
                                // Create a new OrderDetail object.
                                var myOrderDetail = new OrderDetail();
                                myOrderDetail.OrderId = myOrder.OrderId;
                                myOrderDetail.Username = User.Identity.Name;
                                myOrderDetail.ProductId = myOrderList[i].ProductId;
                                myOrderDetail.Quantity = myOrderList[i].Quantity;
                                myOrderDetail.UnitPrice = myOrderList[i].Product.UnitPrice;

                                // Add OrderDetail to DB.
                                _db.OrderDetails.Add(myOrderDetail);
                                _db.SaveChanges();
                            }

                            // Set OrderId.
                            Session["currentOrderId"] = myOrder.OrderId;

                            // Display Order information.
                            List<Order> orderList = new List<Order>();
                            orderList.Add(myOrder);
                            ShipInfo.DataSource = orderList;
                            ShipInfo.DataBind();

                            // Display OrderDetails.
                            OrderItemList.DataSource = myOrderList;
                            OrderItemList.DataBind();
                        }
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
                else if (Session["payment_method"] == "ezycard")
                {
                    EzyCardFunctions ezyCardCaller = new EzyCardFunctions();

                    string retMsg = "";
                    string token = "";
                    string PayerID = "";
                    NVPEzyCodec decoder = new NVPEzyCodec();
                    token = Session["token"].ToString();

                    bool ret = ezyCardCaller.GetCheckoutDetails(token, ref PayerID, ref decoder, ref retMsg);
                    if (ret)
                    {
                        Session["payerId"] = PayerID;

                        var myOrder = new Order();
                        myOrder.OrderDate = Convert.ToDateTime(decoder["TIMESTAMP"].ToString());
                        myOrder.Username = User.Identity.Name;
                        myOrder.FirstName = decoder["FIRSTNAME"].ToString();
                        myOrder.LastName = decoder["LASTNAME"].ToString();
                        myOrder.Address = decoder["SHIPTOSTREET"].ToString();
                        myOrder.City = decoder["SHIPTOCITY"].ToString();
                        myOrder.State = decoder["SHIPTOSTATE"].ToString();
                        myOrder.PostalCode = decoder["SHIPTOZIP"].ToString();
                        myOrder.Country = decoder["SHIPTOCOUNTRYCODE"].ToString();
                        myOrder.Email = decoder["EMAIL"].ToString();
                        myOrder.Total = Convert.ToDecimal(decoder["AMT"].ToString());
                        myOrder.HasBeenShipped = false;
                        // Verify total payment amount as set on CheckoutStart.aspx.
                        try
                        {
                            decimal paymentAmountOnCheckout = Convert.ToDecimal(Session["payment_amt"].ToString());
                            decimal paymentAmoutFromPayPal = Convert.ToDecimal(decoder["AMT"].ToString());
                            if (paymentAmountOnCheckout != paymentAmoutFromPayPal)
                            {
                                Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                            }
                        }
                        catch (Exception)
                        {
                            Response.Redirect("CheckoutError.aspx?" + "Desc=Amount%20total%20mismatch.");
                        }

                        // Get DB context.
                        ProductContext _db = new ProductContext();

                        // Add order to DB.
                        _db.Orders.Add(myOrder);
                        _db.SaveChanges();

                        // Get the shopping cart items and process them.
                        using (EzyCards.Logic.ShoppingCartActions usersShoppingCart = new EzyCards.Logic.ShoppingCartActions())
                        {
                            List<CartItem> myOrderList = usersShoppingCart.GetCartItems();

                            // Add OrderDetail information to the DB for each product purchased.
                            for (int i = 0; i < myOrderList.Count; i++)
                            {
                                // Create a new OrderDetail object.
                                var myOrderDetail = new OrderDetail();
                                myOrderDetail.OrderId = myOrder.OrderId;
                                myOrderDetail.Username = User.Identity.Name;
                                myOrderDetail.ProductId = myOrderList[i].ProductId;
                                myOrderDetail.Quantity = myOrderList[i].Quantity;
                                myOrderDetail.UnitPrice = myOrderList[i].Product.UnitPrice;

                                // Add OrderDetail to DB.
                                _db.OrderDetails.Add(myOrderDetail);
                                _db.SaveChanges();
                            }

                            // Set OrderId.
                            Session["currentOrderId"] = myOrder.OrderId;

                            // Display Order information.
                            List<Order> orderList = new List<Order>();
                            orderList.Add(myOrder);
                            ShipInfo.DataSource = orderList;
                            ShipInfo.DataBind();

                            // Display OrderDetails.
                            OrderItemList.DataSource = myOrderList;
                            OrderItemList.DataBind();
                        }
                    }
                    else
                    {
                        Response.Redirect("CheckoutError.aspx?" + retMsg);
                    }
                }
            }
        }
      protected void Page_Load(object sender, EventArgs e)
      {
          if (!IsPostBack)
          {
              // Verify user has completed the checkout process.
              if ((string)Session["userCheckoutCompleted"] != "true")
              {
                  Session["userCheckoutCompleted"] = string.Empty;
                  Response.Redirect("CheckoutError.aspx?" + "Desc=Unvalidated%20Checkout.");
              }
              if (Session["payment_method"] == "paypal")
              {
                  NVPAPICaller payPalCaller = new NVPAPICaller();

                  string retMsg = "";
                  string token = "";
                  string finalPaymentAmount = "";
                  string PayerID = "";
                  NVPCodec decoder = new NVPCodec();

                  token = Session["token"].ToString();
                  PayerID = Session["payerId"].ToString();
                  finalPaymentAmount = Session["payment_amt"].ToString();

                  bool ret = payPalCaller.DoCheckoutPayment(finalPaymentAmount, token, PayerID, ref decoder, ref retMsg);
                  if (ret)
                  {
                      // Retrieve PayPal confirmation value.
                      string PaymentConfirmation = decoder["PAYMENTINFO_0_TRANSACTIONID"].ToString();
                      TransactionId.Text = PaymentConfirmation;


                      ProductContext _db = new ProductContext();
                      // Get the current order id.
                      int currentOrderId = -1;
                      if (Session["currentOrderId"] != string.Empty)
                      {
                          currentOrderId = Convert.ToInt32(Session["currentOrderID"]);
                      }
                      Order myCurrentOrder;
                      if (currentOrderId >= 0)
                      {
                          // Get the order based on order id.
                          myCurrentOrder = _db.Orders.Single(o => o.OrderId == currentOrderId);
                          // Update the order to reflect payment has been completed.
                          myCurrentOrder.PaymentTransactionId = PaymentConfirmation;
                          // Save to DB.
                          _db.SaveChanges();
                      }

                      // Clear shopping cart.
                      using (EzyCards.Logic.ShoppingCartActions usersShoppingCart =
                          new EzyCards.Logic.ShoppingCartActions())
                      {
                          usersShoppingCart.EmptyCart();
                      }

                      // Clear order id.
                      Session["currentOrderId"] = string.Empty;
                  }
                  else
                  {
                      Response.Redirect("CheckoutError.aspx?" + retMsg);
                  }
              }

              else if (Session["payment_method"] == "ezycard")
              {
                  EzyCardFunctions ezyCardCaller = new EzyCardFunctions();

                  string retMsg = "";
                  string token = "";
                  string finalPaymentAmount = "";
                  string PayerID = "";
                  NVPEzyCodec decoder = new NVPEzyCodec();

                  token = Session["token"].ToString();
                  PayerID = Session["payerId"].ToString();
                  finalPaymentAmount = Session["payment_amt"].ToString();

                  bool ret = ezyCardCaller.DoCheckoutPayment(finalPaymentAmount, token, PayerID, ref decoder, ref retMsg);
                  if (ret)
                  {
                      // Retrieve PayPal confirmation value.
                      string PaymentConfirmation = decoder["PAYMENTINFO_0_TRANSACTIONID"].ToString();
                      TransactionId.Text = PaymentConfirmation;


                      ProductContext _db = new ProductContext();
                      // Get the current order id.
                      int currentOrderId = -1;
                      if (Session["currentOrderId"] != string.Empty)
                      {
                          currentOrderId = Convert.ToInt32(Session["currentOrderID"]);
                      }
                      Order myCurrentOrder;
                      if (currentOrderId >= 0)
                      {
                          // Get the order based on order id.
                          myCurrentOrder = _db.Orders.Single(o => o.OrderId == currentOrderId);
                          // Update the order to reflect payment has been completed.
                          myCurrentOrder.PaymentTransactionId = PaymentConfirmation;
                          // Save to DB.
                          _db.SaveChanges();
                      }

                      // Clear shopping cart.
                      using (EzyCards.Logic.ShoppingCartActions usersShoppingCart =
                          new EzyCards.Logic.ShoppingCartActions())
                      {
                          usersShoppingCart.EmptyCart();
                      }

                      // Clear order id.
                      Session["currentOrderId"] = string.Empty;
                  }
                  else
                  {
                      Response.Redirect("CheckoutError.aspx?" + retMsg);
                  }
              }

          }
      }