public async Task <CardUpdateResultEnum> UpdateAsync(Card card)
{
_context.Entry(card).State = EntityState.Modified;
return(await _context.SaveChangesAsync() > 0
? CardUpdateResultEnum.Successful
: CardUpdateResultEnum.DBUpdateFailed);
}
public async Task <int> UpdateAsync(Visitor visitor)
{
_context.Entry(visitor).State = EntityState.Modified;
return(await _context.SaveChangesAsync());
}