private void btnExpandNetAmount_Click(object sender, EventArgs e) { if (paymentDetails == null) { paymentDetails = new frmViewPaymentDetails(transaction); } else { if (paymentDetails.Created == false) { paymentDetails = new frmViewPaymentDetails(transaction); } } paymentDetails.MdiParent = this.ParentForm; paymentDetails.Show(); paymentDetails.Activate(); }