private void btnExcluir_Click(object sender, EventArgs e)
        {
            var register = new ClientRegister();

            if (dtvClient.CurrentRow == null)
            {
                lblMessage.Text = Messages.Empty;
                return;
            }
            var client = (Client)dtvClient.CurrentRow.DataBoundItem;

            lblMessage.Text      = register.Delete(client);
            dtvClient.DataSource = RefreshGrid();
            CleanFields();
        }