Convert Excel document to PDF in Azure App Service on Windows

18 Jul 20243 minutes to read

Syncfusion XlsIO is a .NET Core Excel library used to create, read, edit and convert Excel documents programmatically without Microsoft Excel or interop dependencies. Using this library, you can convert an Excel document to PDF in Azure App Service on Windows.

Steps to convert Excel document to PDF in Azure App Service on Windows

Step 1: Create a new ASP.NET Core Web Application (Model-View-Controller).

Create a ASP.NET Core Web App project in visual studio

Step 2: Name the project.

Name the project

Step 3: Select the framework and click Create button.

Framework version

Step 4: Install the Syncfusion.XlsIORenderer.Net.Core NuGet package as a reference to your project from NuGet.org.

Install Syncfusion.XlsIORenderer.Net.Core NuGet Package

NOTE

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, you also have to add “Syncfusion.Licensing” assembly reference and include a license key in your projects. Please refer to this link to know about registering Syncfusion license key in your applications to use our components.

Step 5: Add a new button in the Index.cshtml as shown below.

@{Html.BeginForm("ConvertExceltoPDF", "Home", FormMethod.Get);
    {
        <div>
            <input type="submit" value="Convert Excel to PDF" style="width:170px;height:27px" />
        </div>
    }
    Html.EndForm();
}

Step 6: Include the following namespaces in HomeController.cs.

using Syncfusion.XlsIO;
using Syncfusion.XlsIORenderer;
using Syncfusion.Pdf;

Step 7: Include the below code snippet in HomeController.cs to convert an Excel document to PDF.

using (ExcelEngine excelEngine = new ExcelEngine())
{
  IApplication application = excelEngine.Excel;
  application.DefaultVersion = ExcelVersion.Xlsx;
  FileStream excelStream = new FileStream("Sample.xlsx", FileMode.Open, FileAccess.Read);
  IWorkbook workbook = application.Workbooks.Open(excelStream);

  //Initialize XlsIO renderer.
  XlsIORenderer renderer = new XlsIORenderer();

  //Convert Excel document into PDF document 
  PdfDocument pdfDocument = renderer.ConvertToPDF(workbook);

  //Create the MemoryStream to save the converted PDF.      
  MemoryStream pdfStream = new MemoryStream();

  //Save the converted PDF document to MemoryStream.
  pdfDocument.Save(pdfStream);
  pdfStream.Position = 0;

  //Download PDF document in the browser.
  return File(pdfStream, "application/pdf", "Sample.pdf");
}

Steps to publish as Azure App Service on Windows

Step 1: Right-click the project and select Publish option.

Publish

Step 2: Select the publish target as Azure.

Add a Publish Profile

Step 3: Select the Specific target as Azure App Service (Windows).

Select the publish target

Step 4: To create a new app service, click Create new option.

Click create new option

Step 5: Click the Create button to proceed with App Service creation.

Hosting

Step 6: Click the Finish button to finalize the App Service creation.

App Service

Step 7: Click Close button.

Profile created

Step 8: Click the Publish button.

Start publish

Step 9: Now, Publish has been succeeded.

Publish has been succeeded

Step 10: Now, the published webpage will open in the browser.

Browser will open after publish

Step 11: Click Create Document to convert the given Excel document to PDF. You will get the output PDF document as follows.

Output File

You can download a complete working sample from GitHub.

Click here to explore the rich set of Syncfusion Excel library (XlsIO) features.

An online sample link to convert an Excel document to PDF in ASP.NET Core.