Open and save PowerPoint in Azure App Service on Windows

3 Aug 20264 minutes to read

Syncfusion® PowerPoint is a .NET Core PowerPoint library used to create, read, edit and convert PowerPoint documents programmatically without Microsoft PowerPoint or interop dependencies. Using this library, you can open and save a PowerPoint in Azure App Service on Windows.

Steps to Open and save PowerPoint in Azure App Service on Windows

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

Step 2: Create a project name and select the location.
Configure your new project

Step 3: Click Create button.
Additional Information

Step 4: Install the Syncfusion.Presentation.Net.Core NuGet package as a reference to your project from NuGet.org. This package targets .NET 8.0 and later (.NET 8.0 recommended).

Install Syncfusion.Presentation.Net.Core Nuget Package

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 application to use our components.

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

@{
    Html.BeginForm("OpenAndSavePowerPoint", "Home", FormMethod.Get);
    {
        <div>
            <input type="submit" value="Open and Save PowerPoint" style="width:220px;height:27px" />
        </div>
    }
    Html.EndForm();
}

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

using System.IO;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Syncfusion.Presentation;

Step 7: Add a new action method OpenAndSavePowerPoint in HomeController.cs and include the following code snippet to open an existing PowerPoint presentation, edit it, and save the result in Azure App Service on Windows.

private readonly IWebHostEnvironment _hostingEnvironment;
public HomeController(IWebHostEnvironment hostingEnvironment)
{
    _hostingEnvironment = hostingEnvironment;
}

public ActionResult OpenAndSavePowerPoint()
{
    //Open an existing PowerPoint presentation using the file path.
    string pptxPath = Path.Combine(_hostingEnvironment.WebRootPath, "Data/Template.pptx");
    using IPresentation pptxDoc = Presentation.Open(pptxPath);

    //Get the first slide from the PowerPoint presentation.
    ISlide slide = pptxDoc.Slides[0];
    //Get the first shape of the slide.
    IShape shape = slide.Shapes[0] as IShape;
    //Change the text of the shape.
    if (shape.TextBody.Text == "Company History")
        shape.TextBody.Text = "Company Profile";

    //Save the PowerPoint Presentation as stream.
    MemoryStream pptxStream = new();
    pptxDoc.Save(pptxStream);
    pptxStream.Position = 0;

    //Download PowerPoint document in the browser.
    return File(pptxStream, "application/vnd.openxmlformats-officedocument.presentationml.presentation", "Result.pptx");
}

Steps to publish to Azure App Service on Windows

The following steps publish the ASP.NET Core Web App created above to Azure App Service on Windows.

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

Step 2: Click the Add a Publish Profile button.
Click the Add a Publish Profile

Step 3: Select the publish target as Azure.
Select the publish target as Azure

Step 4: Select the Specific target as Azure App Service (Windows).
Select the publish target

Step 5: To create a new app service, click the Create new option.
Click create new option

Step 6: Click the Create button to proceed with App Service creation.
Click the Create button

Step 7: Click the Finish button to finalize the App Service creation.
Click the Finish button

Step 8: Click the Close button.
Click the Close button

Step 9: Click the Publish button.
Click the Publish button

Step 10: Publishing has succeeded.
Publish has been succeeded

Step 11: The published webpage will open in the browser.
Browser will open after publish

Step 12: Click Open and Save PowerPoint to download the edited PowerPoint document as follows.

Open and save PowerPoint in Azure App Service on Windows

You can download a complete working sample from GitHub.

Looking for the full .NET PowerPoint Library component overview, features, pricing, and documentation? Visit the .NET PowerPoint Library page.