private void installmentPlanToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (_installmentsPlan == null || _installmentsPlan.IsDisposed == true)
     {
         _installmentsPlan = new frmInstallmentPlan();
         _installmentsPlan.Show();
     }
     _installmentsPlan.BringToFront();
 }
        private void lnkInstallmentPlan_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            frmInstallmentPlan frm = new frmInstallmentPlan();

            frm.Show();
        }