private void btnNuevo_Click(object sender, EventArgs e)
        {
            frmRolCuota frm = new frmRolCuota("New", "");

            frm.ShowDialog();

            if (frm.DialogResult == System.Windows.Forms.DialogResult.OK)
            {
                LLenarGrilla();
            }
        }
        private void btnEditar_Click(object sender, EventArgs e)
        {
            frmRolCuota frm = new frmRolCuota("Edit", _RolCuotaId);

            frm.ShowDialog();
        }