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 104:            }
Line 105:            //加載導航
Line 106:            num = Request.QueryString["num"].ToString();
Line 107:            if (Request.QueryString["le"].ToString() == "2")
Line 108:            {

Source File: d:\web\shmojue.com\NewsInfor.aspx.cs    Line: 106

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   NewsInfor.Page_Load(Object sender, EventArgs e) in d:\web\shmojue.com\NewsInfor.aspx.cs:106
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1