Gembox.spreadsheet.dll «PRO ★»

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

// Style a header var headerStyle = new CellStyle gembox.spreadsheet.dll

A unique feature of this DLL is direct HTML rendering: var workbook = new ExcelFile(); var worksheet = workbook

workbook.Save("Report.xlsx"); For truly massive files (500k+ rows), use the LoadOptions to stream data: var workbook = new ExcelFile()

var worksheet = reader.Worksheets[0]; foreach (var row in worksheet.Rows) // Process row by row without holding entire file in RAM Console.WriteLine(row.Cells[0].Value);

worksheet.Cells[1, 0].Value = "Widget"; worksheet.Cells[1, 1].Value = 10; worksheet.Cells[1, 2].Value = 5.99; worksheet.Cells[1, 3].SetFormula("=B2*C2");