using indesign files in asp.net

hi friends,

I am building an application in asp.net in which my task is to create a pdf file by using the Adobe Indesign CS2 in asp.net.

I am using the code which is found from the net but on running this is given an error That:

"System.UnauthorizedAccessException: Access is denied."

now tell me about this error and what i have to do to achieve this task. this is really urgent one

atleast reply if u don't know the answer also please.......

Here's my code::

Imports System
Imports System.Data
Imports System.Configuration
Imports System.Web
Imports System.Web.Security
Imports System.Web.UI
Imports System.Web.UI.WebControls
' Imports System.Web.UI.WebControls.WebParts
Imports System.Web.UI.HtmlControls
Imports InDesign

Public Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load


Dim cstrInddFile As String = Server.MapPath("~/Archieve/yourstory_backcover1.indd")
Dim cstrXMLFile As String = Server.MapPath("~/Archieve/xml1.xml")
Dim cstrOutputFile As String = Server.MapPath("~/Archieve/out.pdf")

Dim indAppType As Type = Type.GetTypeFromProgID("InDesign.Application")
Dim objInDesign As InDesign.Application = DirectCast(Activator.CreateInstance(indAppType, True), InDesign.Application)
Dim objDoc As InDesign.Document = DirectCast(objInDesign.Open(cstrInddFile, False), InDesign.Document)

objDoc.ImportXML(cstrXMLFile)

Dim objPreset As InDesign.PDFExportPreset=DirectCast(objInDesign.PDFExportPresets.Last Item(),InDesign.PDFExportPreset)
objDoc.Export(idExportFormat.idPDFType, cstrOutputFile, False, objInDesign.PDFExportPresets("Press"))

End Sub

End Class