Label Does not display in CompleteWizard Step

Hi there,
I am new in asp.net. I have problem about completing a customized Create user wizard where in complete step I insert a label that is [lblEmail] to display the email id of new account creator. When I test to create an account all functions worked good but can not display [lblEmail]. Plaese help. I insert the code :
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
 
public partial class registration : System.Web.UI.Page
{
 
protected void Page_Load(object sender, System.EventArgs e)
{
      //Assign the values for the Labels' Text properties in the Wizard's Completed step
    lblEmail.t ...