private void button_pregCert_Click(object sender, EventArgs e) { ReportViewer rptViewer = new ReportViewer(); rptViewer.preparePregCert(consMgr.issue_preg_cert(int.Parse(consId), checkBox_pat_isPregnant.Checked, dateTimePicker_edc.Value.ToString("dd/MM/yyyy"))); rptViewer.ShowDialog(); }