lsbCat.Items.Clear();lsbCat.Items.AddRange(Cats.ToArray());txtCat.Clear();

Code Example - lsbCat.Items.Clear();lsbCat.Items.AddRange(Cats.ToArray());txtCat.Clear();

                
                        lsbCat.Items.Clear();
  lsbCat.Items.AddRange(Cats.ToArray());
  txtCat.Clear();