public void print(int idFatura)
{
FrmReportView frm = new FrmReportView();
frm.PrintInvoce(idFatura, this);
frm.Show();
}
private void btnPrint_Click(object sender, EventArgs e)
{
int idInvoice = int.Parse(txtIdInvoice.Text);
FrmReportView frmReport = new FrmReportView();
frmReport.PrintInvoce(idInvoice);
frmReport.Show();
}