private bool disposedValue = false; // To detect redundant calls

        /// <summary>
        /// The dispose.
        /// </summary>
        /// <param name="disposing">
        /// The disposing.
        /// </param>
        protected virtual void Dispose(bool disposing)
        {
            if (!disposedValue)
            {
                if (disposing)
                {
                    if (customerDAL != null)
                    {
                        customerDAL.Dispose();
                    }
                }
                // TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
                // TODO: set large fields to null.
                disposedValue = true;
            }
        }