C# Excel Tutorial: Learn to use IronXL Library (No Interop) Jordi Bardia Updated:August 19, 2025 Download IronXL NuGet Download DLL Download Start Free Trial Copy for LLMs Copy for LLMs Copy page as Markdown for LLMs Open in ChatGPT Ask ChatGPT about this page Open in Gemini Ask Gemini about this page Open in Grok Ask Grok about this page Open in Perplexity Ask Perplexity about this page Share Share on Facebook Share on X (Twitter) Share on LinkedIn Copy URL Email article Unlock the full potential of Excel automation in your C# applications by watching this tutorial and master the use of IronXL for seamless data manipulation, advanced formatting, and multi-format exports—all without Microsoft Office! more... In this step-by-step tutorial, you’ll learn how to use the IronXL library in C# to work with Excel spreadsheets programmatically—no Microsoft Office installation required. The video walks through creating a .NET console application in Visual Studio, installing the IronXL package, and importing an existing Excel file. You'll learn how to perform data manipulation such as calculating the sum of a column, applying formulas, and styling cells with custom background and font colors. It also demonstrates how to save modified spreadsheets and export to multiple formats including JSON, CSV, XML, XLS, and XLSX. Additionally, the tutorial shows how to create a new Excel file from scratch, set metadata, add worksheets, insert data, and apply cell-level formatting such as borders and styles. IronXL provides a powerful and flexible solution for developers looking to automate Excel tasks in C#, whether for reporting, data transformation, or spreadsheet generation. Try IronXL today to unlock seamless spreadsheet functionality in your applications.
Updated January 10, 2026 How to Clear Cell Contents in Excel with C# | IronXL Discover how to programmatically clear data from Excel cells in your .NET applications using IronXL. From individual cell values to entire rows, this tutorial guides you through the process step-by-step, enhancing your data manipulation skills. Read More
Updated January 10, 2026 How to Import and Export as a DataSet in C# | IronXL Discover how to transform your .NET DataTable or DataSet into Excel files seamlessly with IronXL. This tutorial walks you through the process of exporting structured data to .xlsx files, enhancing your data management capabilities. Read More
Updated January 10, 2026 How to Add Comments to Excel Cells in C# | IronXL Discover how to manage Excel cell comments seamlessly with C# and IronXL. This video tutorial guides you through the process of adding, editing, and removing comments in Excel spreadsheets without needing Interop. Perfect for developers looking to enhance their automation capabilities in Excel. Read More
Updated January 10, 2026 How to Autofit Cells in Excel Using C# | IronXL Discover how to automatically adjust cell dimensions in Excel using C# and IronXL. This video tutorial guides you through the process of autofitting columns and rows, ensuring your spreadsheets appear polished and professional with minimal effort. Read More
Updated January 10, 2026 How to Export DataGridView to Excel in C# | IronXL Discover how to seamlessly export DataGridView to Excel in your C# applications using IronXL. This tutorial guides you through the process, ensuring a smooth integration with WinForms or WPF. Enhance your app's functionality and data manipulation capabilities with this straightforward method. Read More
Updated January 10, 2026 How to Read Data from a CSV File and Store It in a Database Using C# | IronXL Discover how to automate CSV imports into your SQL Server database using C# and IronXL. This tutorial provides a step-by-step guide to efficiently read and insert CSV data into SQL Server, streamlining your data management processes. Read More
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