如何使用 IronPDF for .NET 在新窗口 ASP.NET C# 中打开 PDF

protected void OpenPdf_Click(object sender, EventArgs e)
{
    var renderer = new ChromePdfRenderer();
    // Generate PDF document from HTML
    var PDF = renderer.RenderHtmlAsPdf("<h1>Invoice</h1><p>Your order details</p>");
    // Get byte array from PDF
    byte[] data = pdf.BinaryData;
    // Clear response and write PDF to browser
    Response.Clear();
    Response.ContentType = "application/pdf";
    Response.AddHeader("Content-Length", data.Length.ToString());
    Response.AddHeader("Content-Disposition", "inline; filename=invoice.pdf");
    Response.BinaryWrite(data);
    Response.End();
}

Protected Sub OpenPdf_Click(sender As Object, e As EventArgs)
    Dim renderer As New ChromePdfRenderer()
    ' Generate PDF document from HTML
    Dim PDF = renderer.RenderHtmlAsPdf("<h1>Invoice</h1><p>Your order details</p>")
    ' Get byte array from PDF
    Dim data As Byte() = PDF.BinaryData
    ' Clear response and write PDF to browser
    Response.Clear()
    Response.ContentType = "application/pdf"
    Response.AddHeader("Content-Length", data.Length.ToString())
    Response.AddHeader("Content-Disposition", "inline; filename=invoice.pdf")
    Response.BinaryWrite(data)
    Response.End()
End Sub

function openPdfInNewTab() {
    // Open PDF in new window using JavaScript
    window.open('/Pdf/GeneratePdf', '_blank');
    return false; // Prevent default form submission
}

<asp:Button ID="btnViewPdf" runat="server"
            OnClientClick="window.open('/Pdf/GeneratePdf', '_blank'); return false;"
            Text="Open PDF in New Tab" />

<asp:Button ID="btnViewPdf" runat="server"
            OnClientClick="window.open('/Pdf/GeneratePdf', '_blank'); return false;"
            Text="Open PDF in New Tab" />

<object data="/Pdf/GeneratePdf" type="application/pdf" width="100%" height="600px">
    <embed src="/Pdf/GeneratePdf" type="application/pdf" />
    <p>Your browser doesn't support embedded PDF documents.
       <a href="/Pdf/GeneratePdf" target="_blank">View PDF File</a>
    </p>
</object>

public IActionResult ViewFile(string fileName)
{
    // Ensure correct path to PDF file
    string path = Path.Combine(_webHostEnvironment.WebRootPath, "pdfs", fileName);
    // Load existing PDF document
    var PDF = PdfDocument.FromFile(path);
    // Optionally add additional information to the PDF
    pdf.AddPage(renderer.RenderHtmlAsPdf("<h2>Additional Information</h2>"));
    // Convert to stream for browser display
    var stream = pdf.Stream;
    byte[] bytes = stream.ToArray();
    // Set headers for inline display in new browser tab
    Response.Headers.Add("Content-Disposition", "inline; filename=" + fileName);
    Response.Headers.Add("Content-Length", bytes.Length.ToString());
    return File(bytes, "application/pdf");
}

Public Function ViewFile(fileName As String) As IActionResult
    ' Ensure correct path to PDF file
    Dim path As String = Path.Combine(_webHostEnvironment.WebRootPath, "pdfs", fileName)
    ' Load existing PDF document
    Dim pdf = PdfDocument.FromFile(path)
    ' Optionally add additional information to the PDF
    pdf.AddPage(renderer.RenderHtmlAsPdf("<h2>Additional Information</h2>"))
    ' Convert to stream for browser display
    Dim stream = pdf.Stream
    Dim bytes As Byte() = stream.ToArray()
    ' Set headers for inline display in new browser tab
    Response.Headers.Add("Content-Disposition", "inline; filename=" & fileName)
    Response.Headers.Add("Content-Length", bytes.Length.ToString())
    Return File(bytes, "application/pdf")
End Function

public IActionResult DisplayFromDatabase(int documentId)
{
    // Retrieve byte array from database or system
    byte[] pdfData = GetPdfFromDatabase(documentId);
    // Load PDF document from bytes
    var PDF = PdfDocument.FromBytes(pdfData);
    // Optionally sign or modify the PDF
    // pdf.SignWithDigitalCertificate(...);
    // Set response headers for inline display
    Response.Headers.Add("Content-Disposition",
                        $"inline; filename=document_{documentId}.pdf");
    Response.Headers.Add("Content-Length", pdfData.Length.ToString());
    // Return file to open in browser
    return File(pdfData, "application/pdf");
}

Public Function DisplayFromDatabase(documentId As Integer) As IActionResult
    ' Retrieve byte array from database or system
    Dim pdfData As Byte() = GetPdfFromDatabase(documentId)
    ' Load PDF document from bytes
    Dim PDF = PdfDocument.FromBytes(pdfData)
    ' Optionally sign or modify the PDF
    ' pdf.SignWithDigitalCertificate(...)
    ' Set response headers for inline display
    Response.Headers.Add("Content-Disposition", $"inline; filename=document_{documentId}.pdf")
    Response.Headers.Add("Content-Length", pdfData.Length.ToString())
    ' Return file to open in browser
    Return File(pdfData, "application/pdf")
End Function