private void btnListar_Click_1(object sender, EventArgs e) { { listBoxServicos.Items.Clear(); Servicos servicos = new Servicos(); List <Servicos> lista = servicos.Listar(); foreach (var cat in lista) { listBoxServicos.Items.Add(cat.Nome + '-' + cat.Descricao + '-' + cat.Valor + '-' + cat.Status + '-' + cat.Comentarios); } } }