/// <summary>
        /// Logout waiter
        /// </summary>
        public bool LogOut()
        {
            if (waiterUserContext == null)
            {
                return(false);
            }

            try
            {
                return(WaiterDataAccess.LogOut(waiterUserContext.Id));
            }
            catch
            {
                throw new Exception("Problem with DB");
            }
        }