Compiler Error Message: BC30506

 I have been trying to setup an email page on my site using ASP.NET and Web.Config.
Whenver I try to view the page I get this error:  "Compiler Error Message: BC30506: Handles clause requires a WithEvents variable defined in the containing type or one of its base types."
This is my code.
Contact.aspx 
1 <table border="0">
2 <tr>
3 <td><b>Your Email:</b></td>
4 <td><asp:TextBox runat="server" ID="UsersEmail ...