public async Task AddRangeAsync(List <Cast> cast)
{
Ensure.ArgumentNotNull(cast, nameof(cast));
_context.Cast.AddRange(cast);
await _context.SaveChangesAsync();
}
public async Task AddRangeAsync(List <Shows> shows)
{
Ensure.ArgumentNotNull(shows, nameof(shows));
await _context.Shows.AddRangeAsync(shows);
await _context.SaveChangesAsync();
}