public async Task <HistoricalSearch> Create(HistoricalSearch history)
        {
            _context.History.Add(history);
            await _context.SaveChangesAsync();

            return(history);
        }
 public async Task Update(HistoricalSearch history)
 {
     _context.Entry(history).State = EntityState.Modified;
     await _context.SaveChangesAsync();
 }