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 15:     Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Line 16: 
Line 17:         Dim getIssueNumber As String = Request.QueryString("issue").ToString
Line 18:         Dim getArticleNumber As String = Request.QueryString("article").ToString
Line 19:         Dim getArticleFile As String = Server.MapPath("/showcase/contours/" & getIssueNumber & "/" & getArticleNumber & ".htm")

Source File: F:\inetpub\tecplot-web-newsite\showcase\contours\article.aspx.vb Line: 17

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   article_Default.Page_Load(Object sender, EventArgs e) in F:\inetpub\tecplot-web-newsite\showcase\contours\article.aspx.vb:17
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436

Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433