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Convert XFA Form to PDF using C# REST API

This short tutorial guides on how to convert XFA Form to PDF using C# REST API. You will learn to convert dynamic XFA to PDF using C# REST Interface with the help of a .NET-based Cloud SDK. It shares the steps defining the process of changing XML Forms Architecture to traditional PDF form, a sample code and a description of the code.

Prerequisite

Steps to Convert XFA to PDF using C# RESTful Service

  1. Instantiate the PdfApi class object by setting the client secret and ID for changing XFA to PDF
  2. Set the XFA Form PDF file name
  3. Read all the bytes in the XFA Form file into a byte array
  4. Create a memory stream from XFA contents in the byte array
  5. Upload the XFA file in the memory stream to the Cloud storage
  6. Invoke the GetXfaPdfInStorageToAcroForm() method to change the XFA file to PDF
  7. Parse the response object and save the normal PDF exported from XFA to the disk

These steps summarize the process of transforming the XFA Form to PDF using C# Low Code API. Commence the process by loading the source XFA file into a MemoryStream and uploading it to the Cloud storage. Finally, call the GetXfaPdfInStorageToAcroForm() method to transform the uploaded XFA file to a normal PDF with embedded Form.

Code to Convert XFA PDF to Normal PDF using C# RESTful Service

using System;
using System.IO;
using Aspose.Pdf.Cloud.Sdk.Api;
using Aspose.Pdf.Cloud.Sdk.Model;
using System.Collections.Generic;
namespace Aspose.PDF.Cloud.Examples.Kb
{
public class PdfTasks
{
public static void ConvertXfaToPdf()
{
// Initialize API with credentials
var pdfService = new PdfApi("Client secret", "Client ID");
string documentName = "PdfWithXfaForm.pdf";
// Upload the PDF file
using (var mdFileStream = new MemoryStream(File.ReadAllBytes(documentName)))
{
var uploadResult = pdfService.UploadFile(documentName, mdFileStream);
}
var response = pdfService.GetXfaPdfInStorageToAcroForm(documentName);
FileStream fileStream = new FileStream("output.pdf", FileMode.Create, FileAccess.Write);
response.CopyTo(fileStream);
}
}
}
view raw Convert XFA Form to PDF using C# REST API.cs hosted with ❤ by GitHub

This code has demonstrated the process to convert dynamic XFA PDF to PDF using C# Low Code API. The dynamic forms that can expand, shrink, or change based on input are transformed into Forms that are static where layout and fields do not change dynamically using the GetXfaPdfInStorageToAcroForm() method. The API response contains the normal PDF contents that are saved on the disk.

This article has taught us the process of changing XFA to PDF. To transform a PS file to PDF, refer to the article Convert a PS file to PDF using C# REST API.