ASP.NET電子商取引システムにおけるPDF請求書の自動化

using IronPdf;
using IronPdf.Rendering;

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;

renderer.RenderingOptions.PaperOrientation = PdfPaperOrientation.Landscape;

renderer.RenderingOptions.MarginTop = 0;

renderer.RenderingOptions.MarginBottom = 0;

renderer.RenderingOptions.MarginLeft = 0;

renderer.RenderingOptions.MarginRight = 0;

string html = $@"
    <div class='certificate'>
        <h1>Certificate of Completion</h1>
        <p class='learner-name'>{learner.FullName}</p>
        <p>has successfully completed</p>
        <h2>{course.Title}</h2>
        <p>Completed: {completion.Date:MMMM d, yyyy} &nbsp;|&nbsp; Instructor: {course.InstructorName}</p>
        <p class='credential'>Credential ID: {credentialId}</p>
        <p class='verify'>Verify at: https://platform.example.com/verify/{credentialId}</p>
    </div>";

PdfDocument certificate = renderer.RenderHtmlAsPdf(html);

Imports IronPdf
Imports IronPdf.Rendering

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.PaperSize = PdfPaperSize.A4

renderer.RenderingOptions.PaperOrientation = PdfPaperOrientation.Landscape

renderer.RenderingOptions.MarginTop = 0

renderer.RenderingOptions.MarginBottom = 0

renderer.RenderingOptions.MarginLeft = 0

renderer.RenderingOptions.MarginRight = 0

Dim html As String = $"
    <div class='certificate'>
        <h1>Certificate of Completion</h1>
        <p class='learner-name'>{learner.FullName}</p>
        <p>has successfully completed</p>
        <h2>{course.Title}</h2>
        <p>Completed: {completion.Date:MMMM d, yyyy} &nbsp;|&nbsp; Instructor: {course.InstructorName}</p>
        <p class='credential'>Credential ID: {credentialId}</p>
        <p class='verify'>Verify at: https://platform.example.com/verify/{credentialId}</p>
    </div>"

Dim certificate As PdfDocument = renderer.RenderHtmlAsPdf(html)

using System.Net.Mail;
using System.IO;

// Save to document storage keyed by learner and course
string storagePath = $"certificates/{learner.Id}/{course.Id}/{credentialId}.pdf";
certificate.SaveAs(storagePath);

// Email to learner
using var stream = new MemoryStream(certificate.BinaryData);
using var attachment = new Attachment(stream,
    $"{course.Title}-Certificate.pdf", "application/pdf");

var message = new MailMessage("academy@example.com", learner.Email)
{
    Subject = $"Congrats! Your Certificate for {course.Title}",
    Body = $"Hi {learner.FullName}, your certificate is attached."
};

message.Attachments.Add(attachment);
using var smtp = new SmtpClient("smtp.yourprovider.com");

await smtp.SendMailAsync(message);

Imports System.Net.Mail
Imports System.IO

' Save to document storage keyed by learner and course
Dim storagePath As String = $"certificates/{learner.Id}/{course.Id}/{credentialId}.pdf"
certificate.SaveAs(storagePath)

' Email to learner
Using stream As New MemoryStream(certificate.BinaryData)
    Using attachment As New Attachment(stream, $"{course.Title}-Certificate.pdf", "application/pdf")
        Dim message As New MailMessage("academy@example.com", learner.Email) With {
            .Subject = $"Congrats! Your Certificate for {course.Title}",
            .Body = $"Hi {learner.FullName}, your certificate is attached."
        }

        message.Attachments.Add(attachment)
        Using smtp As New SmtpClient("smtp.yourprovider.com")
            Await smtp.SendMailAsync(message)
        End Using
    End Using
End Using