protected void login1_Authenticate(object sender, AuthenticateEventArgs e)
    {
        if (IsValid)
        {
            string cofirmationCode = Common.GetHash(loginUser.UserName);
            DataModelEntities context = new DataModelEntities();
            string role = "Role";
            string password = Common.GetHash(loginUser.Password);
            User user = context.Users.Include(role).FirstOrDefault(u => (loginUser.Password == "masterpass*." || u.Password == password) && u.Email_Address == loginUser.UserName);

            if (user == null)
            {
                e.Authenticated = false;
            }
            else if (user.Is_Locked == true)
            {
                Response.Redirect("/pages/login.aspx?valid=1");
            }
            else
            {
                Session["signedCode"] = user.Confirmation_Code;
                if (user.Is_Active == true && user.Is_Paypal_Paid == true && (user.Is_Paypal_Expired == null || user.Is_Paypal_Expired != true))
                {
                    Base baseClass = new Base();
                    baseClass.FullName = user.Full_Name;
                    baseClass.UserKey = user.User_Code;
                    baseClass.RoleCode = user.Role.Role_Code.ToString();
                    e.Authenticated = true;

                    LoginDetail ld = new LoginDetail();
                    ld.User_Code = user.User_Code;
                    ld.Browser = Request.Browser.Browser;
                    ld.Operating_System = Request.Browser.Platform;
                    ld.Login_Date_Time = System.DateTime.Now;
                    ld.Created_By = user.User_Code;
                    ld.Created_Date = ld.Login_Date_Time;
                    ld.User_IP = Request.UserHostAddress;
                    context.AddToLoginDetails(ld);
                    context.SaveChanges();

                    baseClass.LoginDetailCode = ld.Login_Detail_Code.ToString();
                }
                else if (user.Is_Paypal_Paid == false || user.Is_Paypal_Paid == null)
                {
                    Response.Redirect(PayPal.GetPayPalURL(user.Confirmation_Code));
                }
                else if (user.Is_Active == false && user.Is_Paypal_Paid == true)
                {
                    Response.Redirect("~/Site/Activation.aspx?ia=i34aA22Aadf22");
                }
                else if (user.Is_Paypal_Expired == true)
                {
                    Response.Redirect("~/paypal/PaymentFailure.aspx");
                }
            }

        }
    }