Why is HttpContext>current.User.Identity.Name not displayed on web site

Hi;

This code works on my local machine.

But when I build and publish my web app through Visual Studio my page is blank.

What am I missing ?

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Imports System.Web.Security
Partial Class Default10
Inherits System.Web.UI.Page

Protected Sub Page_Load(ByVal sender As Object, ByVal Go to the complete details ...