private void button7_Click(object sender, EventArgs e)
 {
     RPT.RPT_ALL_PRODUCT myReport = new RPT.RPT_ALL_PRODUCT();
     RPT.RPT_PRODUCT     frm      = new RPT.RPT_PRODUCT();
     frm.crystalReportViewer1.ReportSource = myReport;
     frm.ShowDialog();
 }
        private void button8_Click(object sender, EventArgs e)
        {
            saveFileDialog1.Title    = "Save to:";
            saveFileDialog1.FileName = "Produits List.pdf";
            saveFileDialog1.Filter   = "PDF file |*.pdf";

            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                string Path = saveFileDialog1.FileName;
                RPT.RPT_ALL_PRODUCT myReport = new RPT.RPT_ALL_PRODUCT();

                // Create Export Option
                ExportOptions export = new ExportOptions();

                // Create Obect For Destination
                DiskFileDestinationOptions dfoption = new DiskFileDestinationOptions();

                PdfFormatOptions pdfformat = new PdfFormatOptions();

                // Set The Path Of Destination
                dfoption.DiskFileName = Path;

                export = myReport.ExportOptions;

                export.ExportDestinationType = ExportDestinationType.DiskFile;

                export.ExportFormatType = ExportFormatType.PortableDocFormat;

                export.ExportFormatOptions = pdfformat;

                export.ExportDestinationOptions = dfoption;

                myReport.Export();

                MessageBox.Show("Liste Exportée avec Succès", "Export", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }