Creating reports and dashboards | Stimulsoft community forum

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public byte[]? GenerateInvoiceReport(string? Invoice_ID)
{
        byte[]? pdfBytes = null;
        StiReport? taxInvoice = LoadReportFromDatabase("Tax Invoice");

        if (taxInvoice != null && Invoice_ID != null)
        {
            taxInvoice.RequestParameters = false;
            //Set invoice id
            taxInvoice.Dictionary.Variables["Invoice_ID"].Value = Invoice_ID;
            //Render report with new value
            taxInvoice.Render();
            
            // Export to PDF as byte[]
            using (var stream = new MemoryStream())
            {
                taxInvoice.ExportDocument(StiExportFormat.Pdf, stream);
                pdfBytes = stream.ToArray();
            }
            //StiReportResponse.PrintAsPdf(taxInvoice);   //Prints as PDF
            //StiReportResponse.ResponseAsPdf(taxInvoice); //Downloads file as PDF
        }
        return pdfBytes;
    }