Trying to edit web form, can't get database updated with newly edited values.

 This is my code:  when I try to update any of the fields, the update statement retains the old values retrieved from the database. 

Could you tell me where my code is bad?
 -Thanks,
Mark

 
 <%@ Page Language="VB" %>
<%@Import Namespace="System.Data"%>
<%@Import Namespace="System.Data.SqlClient"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">



Protected Sub Page_Load(ByVal sender As Object, Go to the complete details ...