Code:

protected void loginBox_LoggedIn(object sender, EventArgs e)
    {
            /*
             *  ovde ide neki nebitan deo koda
             */
            AlarmDSTableAdapters.GuardianTableAdapter gta = new AlarmDSTableAdapters.GuardianTableAdapter();
            if (!Convert.ToBoolean(gta.IsUserInDatabase(guardianID)))
            {
                Session["IsLogedIn"] = false;
                Response.Redirect("AccessDenied.aspx", false);
                return;
            }
            else
            {
                Session["IsLogedIn"] = true;
            }
            Session["IsAdmin"] = Convert.ToBoolean(gta.IsAdministrator(guardianID)) ? true : false;
    }