Gembox.spreadsheet.dll | __link__

var workbook = new ExcelFile(); var worksheet = workbook.Worksheets.Add("Sales Report");

Ensure SpreadsheetInfo.SetLicense() is called before any other GemBox operation, ideally in Global.asax (ASP.NET) or Program.cs (.NET Core). gembox.spreadsheet.dll

Yes. Fortune 500 companies use GemBox.Spreadsheet.dll in high-throughput microservices and ETL pipelines. It is thread-safe for reading (not writing), supports .NET on Linux containers, and has zero dependency on System.Drawing.Common (a common pain point in Linux deployments). var workbook = new ExcelFile(); var worksheet = workbook

You can acquire the DLL via NuGet (recommended) or direct download. var workbook = new ExcelFile()

// 5. Write data worksheet.Cells[0, 0].Value = "Product"; worksheet.Cells[0, 1].Value = "Q1 Sales"; worksheet.Cells[0, 2].Value = "Q2 Sales"; worksheet.Cells[0, 3].Value = "Total";

var workbook = new ExcelFile(); var worksheet = workbook.Worksheets.Add("WebData");