ASP.NET 2.0 - ACTIVER UN MEMBERSHIPUSER

using System; 
using System.Data; 
using System.Configuration; 
using System.Collections; 
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 public_validation : System.Web.UI.Page 
{ 
    protected void Page_Load(object sender, EventArgs e) 
    { 
        //on verifie qu'un guid est donné en parametre 
        if (Request.QueryString["guid"] != null) 
        { 
            string queryGuid = Request.QueryString["guid"]; 
            Guid gu = new Guid(queryGuid); 
  
            //on récupére le membershipUser correspondant au guid 
            MembershipUser user = Membership.GetUser(gu); 
            if (user != null) 
            { 
                //on active le compte utilisateur et on met à jour 
                user.IsApproved = true; 
                Membership.UpdateUser(user); 
  
                Label1.Text = "The user has been approved, you can now log in"; 
                Label1.ForeColor = System.Drawing.Color.Black; 
            } 
            else 
            { 
                Label1.Text = "This user doesn't exist ou has been deleted, you need to create your account again"; 
                Label1.ForeColor = System.Drawing.Color.Red; 
                //implementer ici l'erreur 
            } 
        } 
    } 
    protected void bt_continue_Click(object sender, EventArgs e) 
    { 
        //faire la redirection sur la page de connection par exemple, ou d'acceuil 
       // Response.Redirect("../private/private.aspx"); 
    } 
}