public async Task AddSecurity(Security security)
        {
            _dBContext.Entry(security).State = EntityState.Modified;

            try
            {
                await _dBContext.SaveChangesAsync();
            }
            catch
            {
                throw;
            }
        }
 private async Task AddCharacters(IEnumerable <Character> characters)
 {
     using (var dbContext = new ItsOnlyHeroesContext())
     {
         dbContext.Character.AddRange(characters);
         await dbContext.SaveChangesAsync();
     }
 }