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How can Word document be converted to PDF using Mail Merge in ASP.NET Core?

6 mins read

Mail merge is a process of merging data from a data source to a Word template document. Syncfusion Essential DocIO Renderer is a .NET Core Word to PDF conversion library (Essential DocIO and Essential PDF) used to create mail merge Word documents and convert it as PDF in ASP.NET Core application [C#].

Steps to Mail merge Word document and convert it as PDF

  1. Create new C# .NET Core console application. Create new .Net Core console application in Visual studioCreate new .Net Core console application in Visual studio
  2. Install the Syncfusion.DocIORenderer.NET.Core NuGet package as a reference to your ASP.NET Core application from NuGet.org. Install "Syncfusion.DocIORenderer.Net.Core" NuGet packageInstall "Syncfusion.DocIORenderer.Net.Core" NuGet package
  3. Include the following namespace in the Program.cs file.
    using Syncfusion.DocIO;
    using Syncfusion.DocIO.DLS;
    using Syncfusion.DocIORenderer;
    using Syncfusion.Pdf;
    using System.IO;
    

 

  1. Use the following code snippet to create mail merge Word document and convert Word document to PDF.
    //Opens the Word template document
    FileStream fileStreamPath = new FileStream(@"Data/Letter Formatting.docx", FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
    using (WordDocument document = new WordDocument(fileStreamPath, FormatType.Docx))
    {
      string[] fieldNames = { "ContactName", "CompanyName", "Address", "City", "Country", "Phone"};
       string[] fieldValues = { "Nancy Davolio", "Syncfusion", "507 - 20th Ave. E.Apt. 2A", "Seattle, WA", "USA", "(206) 555-9857-x5467" };
      //Performs the mail merge
      document.MailMerge.Execute(fieldNames, fieldValues);
      //Create instance for DocIORenderer for Word to PDF conversion
      DocIORenderer render = new DocIORenderer();
      //Converts Word document to PDF.
      PdfDocument pdfDocument = render.ConvertToPDF(document);
      //Release the resources used by the Word document and DocIO Renderer objects.
      render.Dispose();
      document.Dispose();
      //Saves the PDF file.
      FileStream outputStream = new FileStream(@"Ouput.pdf", FileMode.CreateNew, FileAccess.Write);
      pdfDocument.Save(outputStream);
      //Closes the instance of PDF document object.
      pdfDocument.Close();
      //Dispose the instance of FileStream.
      outputStream.Dispose();
    }
    

 

A complete working example of how to create Mail merge Word document and convert Word document to PDF using .NET Core Word library can be downloaded from Mail-merged-Word-into-PDF.Zip.

By executing the example program, you will get the PDF document as like below. Output converted mail merge pdf documentOutput converted mail merge pdf document

Take a moment to peruse the documentation, where you can find basic Word document processing options along with features like mail mergemerge and split documents, find and replace text in the Word document, and most importantly PDF conversion with code examples.

Explore more about the rich set of Syncfusion Word Framework features.

An online example to perform mail merge in Word document and convert Word document to PDF in ASP.NET Core Web application.

See Also:

Mail Merge Word document in ASP.NET Core

Convert Word document to PDF in ASP.NET Core

Note:

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.



 

Conclusion

I hope you enjoyed learning on how can a Word document be converted to a PDF using Mail Merge in ASP.NET Core.

You can refer to our ASP.NET Core Word feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our ASP.NET Core Word example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!

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