FormSite._Default is not allowed here because it does not extend system.web.ui.page

This has got to be one of the most frustrating issues with asp.net. I first got the error parser error cannot load default and as I have done before checked if the naming was correct in th bin folder and made the changes accordingly. Now I get the following error:
somethiing._DEfault is not allowed here because it does not extend class 'System.Web.UI.Page'
where something is the name of the project in the properties. I have the following code in Default:
 
Namespace FormDiscovery Partial Class _Default Inherits System.Web.UI.Page Shared settings As New System.Configuration.AppSettingsReader Shared connObj_Generic As New SqlConnection Shared commObj_Generic As New SqlCommand Shared count As Integer Shared num As Integer etc..
 
Now I have deleted the project and other in the solution and created a new one and still t ...