private void cbDataHistorico_SelectedValueChanged(object sender, EventArgs e)
        {
            try
            {
                ViewDispensacaoPorUsuarioTableAdapter dispensacao = new ViewDispensacaoPorUsuarioTableAdapter();
                dtgHistorico.DataSource = dispensacao.RetornaDataTablePorIdusuarioData(int.Parse(txIDUsuario.Text), cbDataHistorico.SelectedItem.ToString());
            }
            catch (Exception err)
            {

                MessageBox.Show(err.Message);
            }
        }