如何在.NET中使用IronPDF创建PDF文件（C#教程）

using Dapper;
using IronPdf;
using System.Data.SqlClient;

var reportData = new List<dynamic>();

using (var conn = new SqlConnection(_connectionString))
{
    reportData = (await conn.QueryAsync(@"
        SELECT Region, SUM(Revenue) AS Revenue, COUNT(OrderId) AS Orders
        FROM SalesOrders
        WHERE OrderDate >= @Start AND OrderDate < @End
        GROUP BY Region ORDER BY Revenue DESC",
        new { Start = weekStart, End = weekStart.AddDays(7) })).ToList();
}

var tableRows = string.Concat(reportData.Select(r =>
    $"<tr><td>{r.Region}</td><td>{r.Revenue:C}</td><td>{r.Orders}</td></tr>"));
string html = (await File.ReadAllTextAsync("Templates/sales-weekly.html"))
    .Replace("{{Period}}", $"Week of {weekStart:MMMM d, yyyy}")
    .Replace("{{TotalRevenue}}", reportData.Sum(r => (decimal)r.Revenue).ToString("C"))
    .Replace("{{TableRows}}", tableRows);

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.PaperSize = IronPdf.Rendering.PdfPaperSize.Letter;

renderer.RenderingOptions.MarginTop = 20;

renderer.RenderingOptions.MarginBottom = 20;

PdfDocument report = renderer.RenderHtmlAsPdf(html);

Imports Dapper
Imports IronPdf
Imports System.Data.SqlClient

Dim reportData As New List(Of Object)()

Using conn As New SqlConnection(_connectionString)
    reportData = (Await conn.QueryAsync("
        SELECT Region, SUM(Revenue) AS Revenue, COUNT(OrderId) AS Orders
        FROM SalesOrders
        WHERE OrderDate >= @Start AND OrderDate < @End
        GROUP BY Region ORDER BY Revenue DESC",
        New With {.Start = weekStart, .End = weekStart.AddDays(7)})).ToList()
End Using

Dim tableRows = String.Concat(reportData.Select(Function(r) 
    $"<tr><td>{r.Region}</td><td>{r.Revenue:C}</td><td>{r.Orders}</td></tr>"))

Dim html As String = (Await File.ReadAllTextAsync("Templates/sales-weekly.html")) _
    .Replace("{{Period}}", $"Week of {weekStart:MMMM d, yyyy}") _
    .Replace("{{TotalRevenue}}", reportData.Sum(Function(r) CType(r.Revenue, Decimal)).ToString("C")) _
    .Replace("{{TableRows}}", tableRows)

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.PaperSize = IronPdf.Rendering.PdfPaperSize.Letter

renderer.RenderingOptions.MarginTop = 20

renderer.RenderingOptions.MarginBottom = 20

Dim report As PdfDocument = renderer.RenderHtmlAsPdf(html)

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

var recipients = await _configService.GetDistributionListAsync("sales-weekly");

string subject = $"Weekly Sales Report — {weekStart:MMM d, yyyy}";

using var stream = new MemoryStream(report.BinaryData);

using var attachment = new Attachment(stream, $"Sales-Report-{weekStart:yyyyMMdd}.pdf", "application/pdf");

var message = new MailMessage
{
    From = new MailAddress("reports@yourcompany.com"),
    Subject = subject,
    Body = $"Please find the weekly sales report for the week of {weekStart:MMMM d, yyyy} attached."
};

foreach (var recipient in recipients)
    message.To.Add(recipient);

message.Attachments.Add(attachment);

using var smtp = new SmtpClient("smtp.yourprovider.com");

await smtp.SendMailAsync(message);

// Archive to blob storage for historical access

string archivePath = $"reports/sales-weekly/{weekStart:yyyy/MM/dd}.pdf";

report.SaveAs(archivePath);

Imports System.Net.Mail
Imports System.IO

Dim recipients = Await _configService.GetDistributionListAsync("sales-weekly")

Dim subject As String = $"Weekly Sales Report — {weekStart:MMM d, yyyy}"

Using stream As New MemoryStream(report.BinaryData)
    Using attachment As New Attachment(stream, $"Sales-Report-{weekStart:yyyyMMdd}.pdf", "application/pdf")
        Dim message As New MailMessage With {
            .From = New MailAddress("reports@yourcompany.com"),
            .Subject = subject,
            .Body = $"Please find the weekly sales report for the week of {weekStart:MMMM d, yyyy} attached."
        }

        For Each recipient In recipients
            message.To.Add(recipient)
        Next

        message.Attachments.Add(attachment)

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

' Archive to blob storage for historical access

Dim archivePath As String = $"reports/sales-weekly/{weekStart:yyyy/MM/dd}.pdf"

report.SaveAs(archivePath)