Problem with custom attribute

[Dilip H Patel]

Dear All, I have created a custom attribute class in app_code as: [System.AttributeUsage(System.AttributeTargets.Class,AllowMultiple=false)] public class Arrtib : System.Attribute { public Arrtib() { if (HttpContext.Current.Session["UserId"] == null) { HttpContext.Current.Server.Transfer("~/Login.aspx"); } } } And i have used this attribute as follows. [Arrtib] public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } } the basic idea behind that is "if user is not log in then request for this page (default.aspx) will redirect to login page." this works fine in when we request default.aspx first time. but after login and once accessing the default.aspx page and then log off. (in log of i have cleared the session.) now if we request for the same page it should call the custom attribute constructor and redirected to login page. BUT..... ya BUT attribute constructor is not executing. Try to help for this problem. Thanks in Advance.