When this line of code in the code behind of a web form
PushPageStack(Me)
calls this sub procedure
Public Sub PushPageStack(ByVal current As Page)
Try
Dim PageStack As Stack = current.Session("PageStack")
' NOTE: This assumes that all pages are in the same folder
PageStack.Push(System.IO.Path.GetFileName(current.Request.Path))
current.Session("PageStack") = PageStack
Catch ex As Exception
Elmah.ErrorSignal.FromCurrentContext().Raise(ex)
End Try
End Sub
it generates this exception
<error application=..." host="SS2-002" type="System.NullReferenceException" message="Object reference not set to an instance of an object." source="Book" detail="System.NullReferenceException: Object ref ...
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