private void EDITDATAULTIMASAIDA_DragLeave(object sender, EventArgs e) { if (EDITDATAULTIMASAIDA.Text != "" && EDITDATAULTIMASAIDA.Text != null) { DateTime wdt; try { wdt = Convert.ToDateTime(EDITDATAULTIMASAIDA.Text); } catch (Exception erro) { MessageBox.Show(erro.ToString(), "Erro com a data informada."); EDITDATAULTIMASAIDA.Clear(); EDITDATAULTIMASAIDA.Focus(); } } }