public void EditAward(Guid id, string Title, byte[] Image, bool flag_image) { if (flag_image) { Awards.FindAll(x => x.Id == id).ForEach(s => { s.Title = Title; s.Image = Image; s.ImageName = Guid.NewGuid(); }); } else { Awards.FindAll(x => x.Id == id).ForEach(s => { s.Title = Title; }); } }