protected virtual void Dispose(bool disposing)
 {
     if (!this.disposed)
     {
         if (disposing)
         {
             _context.Dispose();
         }
     }
     this.disposed = true;
 }
        protected virtual void Dispose(bool disposing)
        {
            if (!_disposed)
            {
                if (disposing)
                {
                    context.Dispose();
                }

                _disposed = true;
            }
        }