I developed an e-commerce website using ASP.Net 3.5 and C #. It works great with Visual Stdio 2010. I uploaded my site to my domain under a shared folder. It shows an error as shown below: 
Click for full size or here is a fragment of the stack trace from the local error page.
NullReferenceException: object reference not set to object instance
SageFrame.Framework.PageBase.OptimizeJs (List`1 lstJsColl, Int32 mode) +7940
SageFrame.Framework.PageBase.LoadModuleJs () +944
SageFrame.Framework.PageBase.OnPreRender (EventArgs e) +233
System.Web.UI.PreRenderRecursiveInternal () +107
It worked great before!
Page_Load () code:
protected void Page_Load(object sender, EventArgs e) { string selectedCurrency = string.Empty; string MainCurrency = string.Empty; try { StoreSettingConfig ssc = new StoreSettingConfig(); MainCurrency = ssc.GetStoreSettingsByKey(StoreSetting.MainCurrency, GetStoreID, GetPortalID, GetCurrentCultureName); if (Session["SelectedCurrency"] != null && Session["SelectedCurrency"] != "") { selectedCurrency = Session["SelectedCurrency"].ToString(); } else { selectedCurrency = MainCurrency; } string islive = Request.Form["custom"]; string test = string.Empty; const string strSandbox = "https://www.sandbox.paypal.com/cgi-bin/webscr"; const string strLive = "https://www.paypal.com/cgi-bin/webscr"; test = bool.Parse(islive.Split('#')[6]) ? strSandbox : strLive; var req = (HttpWebRequest)WebRequest.Create(test); //Set values for the request back req.Method = "POST"; req.ContentType = "application/x-www-form-urlencoded"; byte[] param = Request.BinaryRead(HttpContext.Current.Request.ContentLength); string strRequest = Encoding.ASCII.GetString(param); strRequest += "&cmd=_notify-validate"; req.ContentLength = strRequest.Length; var streamOut = new StreamWriter(req.GetRequestStream(), System.Text.Encoding.ASCII); streamOut.Write(strRequest); streamOut.Close(); var streamIn = new StreamReader(req.GetResponse().GetResponseStream()); string strResponse = streamIn.ReadToEnd(); streamIn.Close(); if (strResponse == "VERIFIED") { string payerEmail = Request.Form["payer_email"]; string paymentStatus = Request.Form["payment_status"]; string receiverEmail = Request.Form["receiver_email"]; string amount = Request.Form["mc_gross"]; string invoice = Request.Form["invoice"]; string addressName = Request.Form["address_name"]; string addressStreet = Request.Form["address_street"]; string addressCity = Request.Form["address_city"]; string addressZip = Request.Form["address_zip"]; string addressCountry = Request.Form["address_country"]; string transID = Request.Form["txn_id"]; string custom = Request.Form["custom"]; string[] ids = custom.Split('#'); int orderID = int.Parse(ids[0]); int storeID = int.Parse(ids[1]); int portalID = int.Parse(ids[2]); string userName = ids[3]; int customerID = int.Parse(ids[4]); string sessionCode = ids[5]; string pgid = ids[7]; var tinfo = new TransactionLogInfo(); var tlog = new TransactionLog(); tinfo.TransactionID = transID; tinfo.AuthCode = ""; tinfo.TotalAmount = decimal.Parse(amount); tinfo.ResponseCode = "1"; tinfo.ResponseReasonText = ""; tinfo.OrderID = orderID; tinfo.StoreID = storeID; tinfo.PortalID = portalID; tinfo.AddedBy = userName; tinfo.CustomerID = customerID; tinfo.SessionCode = sessionCode; tinfo.PaymentGatewayID = int.Parse(pgid); tinfo.PaymentStatus = paymentStatus; tinfo.PayerEmail = payerEmail; tinfo.CreditCard = ""; tinfo.RecieverEmail = receiverEmail; tinfo.CurrencyCode = selectedCurrency; tlog.SaveTransactionLog(tinfo); if (paymentStatus.Equals("Completed")) { var paypalobj = new PayPalHandler(); paypalobj.ParseIPN(orderID, transID, paymentStatus, storeID, portalID, userName, customerID, sessionCode); } } else if (strResponse == "INVALID") { //log for manual investigation } else { //log response/ipn data for manual investigation } // } } catch (Exception ex) { ProcessException(ex); // throw new Exception("This Page is not accessible!"); } }
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