Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 23:             p_id = Request.QueryString["Ad_Id"];
Line 24:             p_IP = Request.ServerVariables["REMOTE_HOST"];
Line 25:             parameterURL = dal.AddTrackers(Convert.ToInt32(p_id), p_IP);
Line 26:             if (parameterURL.ToLower().IndexOf("http") == -1) parameterURL = "http://";
Line 27:             Response.Redirect(parameterURL);

Source File: d:\hostingspaces\inbest\inbest.co.il\wwwroot\Controls\adtracker.aspx.cs    Line: 25

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   DataLayer.Banners.AddTrackers(Int32 p_Ad_Id, String p_IP) +237
   Controls_adtracker.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\inbest\inbest.co.il\wwwroot\Controls\adtracker.aspx.cs:25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0