I have a ASP.NET project that uses a custom HTTPHandler for authentication at page level  Additionally I have created a HTTPModule that I want to use to scan controls on a System.Web.UI.Page to make sure they are read-only unless specified in a DB.

 Normally I can get access to the Page object in an HTTPModule by using the HTTPContext.Current.Handler  (see example below) because the Page object is the handler, but because I have created a custom handler the HTTPContext.Current.Handler is no longer the page but my handler instead.

1    public void Init(HttpApplication httApp)
2    {    
3        httApp.PreRequestHandlerExecute += new EventHandler(SetControlSecurity);
4    }
5    
6    private void SetControlSecurity(object sender, EventArgs e)
7    {
8        HttpApplication app = (HttpApplication)sender;            
9    
10       try
11       {
12   	System.Web.UI.Page currentPage = (System.Web.UI.Page)HttpContext.Current.Handler;
13       }
14       catch (Exception ex)
15       {
16   
17       }            
18   }

Just a thought. Have you considered creating your own PageBase Class and inheriting that rather than System.Web.UI.Page

If you were to do this then you would not need to scan the page becuase you will allready have you answers and full manipulation over rendered controls!!