Can't access variable in code behind page

HI,

I have a project I'm working on, and I want to simply change a txtlabel on a page (which will be shown in a contentplaceholder). But for some magical reason, I can't access it.

Why do they make it so difficult?!

Here is the code
default.aspx

<%@ Page Language="vb" title="Homepage" MasterPageFile="~/MasterPage.Master" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="WebApplication1._Default" %>

<asp:Content ID="ContentHomePage" ContentPlaceHolderID="ContentPlaceHolder" Runat="Server">
    <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>    This is the HomePage
    <asp:Button ID="Button1" runat="server" Text="Button" />
</asp:Content>

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Default.aspx.vb

Public Partial Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub
    Protected Sub Button1_click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        Label1.text = "hi"
    End Sub
End Class

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I get 2 errors in the page behind:
1-

Error      97      Handles clause requires a WithEvents variable defined in the containing type or one of its base types.      C:\***\WebApplication1\WebApplication1\Default.aspx.vb      7      94      C:\...\WebApplication1\

2-

Error      98      Name 'Label1' is not declared.      C:\***\WebApplication1\WebApplication1\Default.aspx.vb      8      9      C:\...\WebApplication1\

When I check other examples, you don't have to declare any labels again in the code behind...What am I doing wrong?