# Getting Started Video Tutorial: How to Add Electronic and Digital Signatures to PDF Documents in ASP.NET Core C# > This tutorial shows how to use the Document Viewer to electronically sign a document and how to implement an endpoint to add a digital certificate to the signature fields before exporting the resulting document as an Adobe PDF. This tutorial is part of the TX Text Control Getting Started series originally published on our YouTube channel. - **Author:** Bjoern Meyer - **Published:** 2024-08-05 - **Modified:** 2025-11-16 - **Description:** This tutorial shows how to use the Document Viewer to electronically sign a document and how to implement an endpoint to add a digital certificate to the signature fields before exporting the resulting document as an Adobe PDF. This tutorial is part of the TX Text Control Getting Started series originally published on our YouTube channel. - **1 min read** (64 words) - **Tags:** - ASP.NET - ASP.NET Core - ServerTextControl - Document Viewer - Video - **Web URL:** https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-add-electronic-and-digital-signatures-to-pdf-documents-in-asp-net-core-csharp/ - **LLMs URL:** https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-add-electronic-and-digital-signatures-to-pdf-documents-in-asp-net-core-csharp/llms.txt - **LLMs-Full URL:** https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-add-electronic-and-digital-signatures-to-pdf-documents-in-asp-net-core-csharp/llms-full.txt --- As part of our **Getting Started** tutorial videos, we have published a series of videos on our [YouTube channel](https://www.youtube.com/@TXTextControl). This tutorial shows how to use the Document Viewer to electronically sign a document and how to implement an endpoint to add a digital certificate to the signature fields before exporting the resulting document as an Adobe PDF. Happy coding! --- ## About Bjoern Meyer As CEO, Bjoern is the visionary behind our strategic direction and business development, bridging the gap between our customers and engineering teams. His deep passion for coding and web technologies drives the creation of innovative products. If you're at a tech conference, be sure to stop by our booth - you'll most likely meet Bjoern in person. With an advanced graduate degree (Dipl. Inf.) in Computer Science, specializing in AI, from the University of Bremen, Bjoern brings significant expertise to his role. In his spare time, Bjoern enjoys running, paragliding, mountain biking, and playing the piano. - [LinkedIn](https://www.linkedin.com/in/bjoernmeyer/) - [X](https://x.com/txbjoern) - [GitHub](https://github.com/bjoerntx) --- ## Series - [Getting Started Video Tutorial: Document Editor in ASP.NET Core C# on Linux](https://www.textcontrol.com/blog/2025/07/29/getting-started-video-tutorial-document-editor-aspnet-core-csharp-linux/llms.txt) - [Getting Started Video Tutorial: How to use the Document Editor in ASP.NET Core C#](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-editor-in-asp-net-core-csharp/llms.txt) - [Getting Started Video Tutorial: Using DS Server with Docker](https://www.textcontrol.com/blog/2025/07/29/getting-started-video-tutorial-using-ds-server-with-docker/llms.txt) - [Getting Started Video Tutorial: How to use the Document Viewer in ASP.NET Core C#](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-viewer-in-asp-net-core-csharp/llms.txt) - [Getting Started Video Tutorial: How to use the MailMerge and ServerTextControl Classes in ASP.NET Core C#](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-mailmerge-and-servertextcontrol-classes-in-asp-net-core-c/llms.txt) - **Getting Started Video Tutorial: How to Add Electronic and Digital Signatures to PDF Documents in ASP.NET Core C#** (this article) - [Getting Started Video Tutorial: How to use the Document Editor in Angular](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-editor-in-angular/llms.txt) - [Getting Started Video Tutorial: How to use the Document Viewer in Angular](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-viewer-in-angular/llms.txt) - [Video Tutorial: Creating a MailMerge Template and JSON Data Structure](https://www.textcontrol.com/blog/2024/08/16/video-tutorial-creating-a-mailmerge-template-and-json-data-structure/llms.txt) --- ## Related Posts - [Getting Started Video Tutorial: How to use the MailMerge and ServerTextControl Classes in ASP.NET Core C#](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-mailmerge-and-servertextcontrol-classes-in-asp-net-core-c/llms.txt) - [Getting Started Video Tutorial: How to use the Document Viewer in ASP.NET Core C#](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-viewer-in-asp-net-core-csharp/llms.txt) - [TX Text Control vs IronPDF for Enterprise PDF Workflows: Complete Comparison Guide](https://www.textcontrol.com/blog/2026/04/28/tx-text-control-vs-ironpdf-for-enterprise-pdf-workflows-complete-comparison-guide/llms.txt) - [High-Performance Text Replacement in Large DOCX Files using C# .NET](https://www.textcontrol.com/blog/2025/07/30/high-performance-text-replacement-in-large-docx-files-using-csharp-dotnet/llms.txt) - [Document Viewer 33.2.1 Released: New Event and Bug Fixes](https://www.textcontrol.com/blog/2025/07/30/document-viewer-33-2-1-released-new-event-and-bug-fixes/llms.txt) - [Getting Started Video Tutorial: Using DS Server with Docker](https://www.textcontrol.com/blog/2025/07/29/getting-started-video-tutorial-using-ds-server-with-docker/llms.txt) - [Getting Started Video Tutorial: Document Editor in ASP.NET Core C# on Linux](https://www.textcontrol.com/blog/2025/07/29/getting-started-video-tutorial-document-editor-aspnet-core-csharp-linux/llms.txt) - [Building an ASP.NET Core Backend (Linux and Windows) for the Document Editor and Viewer](https://www.textcontrol.com/blog/2025/03/26/building-an-asp-net-core-backend-for-the-document-editor-and-viewer/llms.txt) - [TX Text Control Document Editor and Viewer for Blazor Released](https://www.textcontrol.com/blog/2025/03/25/tx-text-control-document-editor-and-viewer-for-blazor-released/llms.txt) - [Getting Started: Document Viewer for Blazor in ASP.NET Core](https://www.textcontrol.com/blog/2025/03/25/getting-started-document-viewer-for-blazor-in-asp-net-core/llms.txt) - [Announcing Our Work on a Blazor Component for Document Editing and Viewing](https://www.textcontrol.com/blog/2025/01/24/announcing-our-work-on-a-blazor-component-for-document-editing-and-viewing/llms.txt) - [The Importance of PDF Signing in .NET C#](https://www.textcontrol.com/blog/2025/01/14/the-importance-of-pdf-signing-in-net-csharp/llms.txt) - [Preparing Documents for E-Signing for Multiple Signers in .NET C#](https://www.textcontrol.com/blog/2024/11/13/preparing-documents-for-e-signing-for-multiple-signers-in-net-c-sharp/llms.txt) - [ASP.NET Core: Use the Document Editor and Viewer in the Same Razor View](https://www.textcontrol.com/blog/2024/11/08/asp-net-core-use-the-document-editor-and-viewer-in-the-same-razor-view/llms.txt) - [When to Generate Documents Server-Side Instead of Client-Side: A Focus on Data Security](https://www.textcontrol.com/blog/2024/10/04/when-to-generate-documents-server-side-instead-of-client-side-a-focus-on-data-security/llms.txt) - [Optimizing Digital Signature Workflows: Starting with MS Word DOCX Files Instead of PDFs in C#](https://www.textcontrol.com/blog/2024/09/27/optimizing-digital-signature-workflows-starting-with-ms-word-docx-files-instead-of-pdfs-in-csharp/llms.txt) - [Document Viewer: Setting the Rendering Mode](https://www.textcontrol.com/blog/2024/08/22/document-viewer-setting-the-rendering-mode/llms.txt) - [Video Tutorial: Creating a MailMerge Template and JSON Data Structure](https://www.textcontrol.com/blog/2024/08/16/video-tutorial-creating-a-mailmerge-template-and-json-data-structure/llms.txt) - [Sign Documents with a Self-Signed Digital ID From Adobe Acrobat Reader in .NET C#](https://www.textcontrol.com/blog/2024/08/12/sign-documents-with-a-self-signed-digital-id-from-adobe-acrobat-reader-in-net-c-sharp/llms.txt) - [Programmatically Convert MS Word DOCX Documents to PDF in .NET C#](https://www.textcontrol.com/blog/2024/08/09/programmatically-convert-ms-word-docx-documents-to-pdf-in-net-c-sharp/llms.txt) - [View MS Word DOCX and PDF Documents using a .NET C# Document Viewer for ASP.NET Core and ASP.NET](https://www.textcontrol.com/blog/2024/08/08/view-ms-word-docx-and-pdf-documents-using-a-net-csharp-document-viewer-for-aspnet-core-and-aspnet/llms.txt) - [Low Code vs. High Code: Differences between TX Text Control and DS Server](https://www.textcontrol.com/blog/2024/08/07/low-code-vs-high-code-differences-between-tx-text-control-and-ds-server/llms.txt) - [Getting Started Video Tutorial: How to use the Document Viewer in Angular](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-viewer-in-angular/llms.txt) - [Getting Started Video Tutorial: How to use the Document Editor in ASP.NET Core C#](https://www.textcontrol.com/blog/2024/08/05/getting-started-video-tutorial-how-to-use-the-document-editor-in-asp-net-core-csharp/llms.txt) - [Getting Started Videos: New Text Control YouTube Channel](https://www.textcontrol.com/blog/2024/08/02/getting-started-videos-new-text-control-youtube-channel/llms.txt)