class in App_code - not declared?

Hi, slowly but surely believe i'm slowly getting my head around the jump from classic ASP


just a quick question -i cant get my class in App_Code to work in my code behind page for simple .net page, can anyone shed some light what doing wrong? 


Thanks



Imports System.Data Imports System.Data.SqlClient Imports System.Data.Odbc Imports Class1
Public Class WebForm1 Inherits System.Web.UI.Page Protected WithEvents customers As System.Web.UI.WebControls.Repeater Protected WithEvents link1 As System.Web.UI.WebControls.HyperLink Protected WithEvents gv1 As System.Web.UI.WebControls.GridView Protected WithEvents f1 As System.Web.UI.WebControls.FormView Protected WithEvents Label1 As System.Web.UI.WebControls.Label Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox Private Sub Page_Load(ByVal source As Object, ByVal e ...