public void PrintInvoice(patient patient, List <temp_service> data)
{
InvoiceReport report = new InvoiceReport();
foreach (DevExpress.XtraReports.Parameters.Parameter p in report.Parameters)
{
p.Visible = false;
}
report.InitData(patient.firstname, patient.lastname, patient.email, data);
documentViewer1.DocumentSource = report;
report.CreateDocument();
}
