private void BtnCancel_Click(object sender, EventArgs e)
        {
            FormCliente frm = new FormCliente();

            frm.refreshGrid();
            this.Dispose();
        }
        private void btnCadastrar_Click(object sender, EventArgs e)
        {
            Controls ctrl = new Controls();

            ctrl.SalvarTable(TextNome.Text, textEndereco.Text, textDataEntrada.Text);
            TextNome.Clear();
            textEndereco.Clear();
            textDataEntrada.Clear();
            FormCliente frm = new FormCliente();

            frm.refreshGrid();
        }