Redirect based on roles

Hi, i want to redirect the user after the log in based on his role. e.g. admin, user
I already read the other threads..
I already used  this: 
 
Protected Sub Login1_Authenticate(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.AuthenticateEventArgs) If Membership.ValidateUser(Login1.UserName, Login1.Password) Then e.Authenticated = True If Roles.IsUserInRole("Administrator") Then Login1.DestinationPageUrl = "~/OpticsCategories.aspx" ElseIf Roles.IsUserInRole("User") Then Login1.DestinationPageUrl = "~/Admin/AdminLoggedIn.aspx" End If Else e.Authenticated = False End If End Sub  
And this:
 
Protected Sub Login1_LoggedIn(sender As Object, e As EventArgs) ' if there is no returnUrl in the query string , we redirect based on user role If String.IsNullOrEmpty(Request.Quer ...