Spire.XLS is a professional Excel component which enables developers/programmers fast generate, read, write and modify Excel document for .NET and Silverlight. It supports C#, VB.NET, ASP.NET, ASP.NET MVC and Silverlight.
Spire.XLS doesn't need Microsoft Office Excel Automation. It allows user to operate Excel document directly such as save to stream, save as web response, copy, lock/unlock worksheet, set up workbook properties, etc.
Suite of Office .NET Components to open, modify, convert, and view Office files.
It is a set of classes, specifically designed to read Microsoft® Excel files
Comments (2)
{
File.Delete(Util.XLSXFileName);
}
//Save as xlsx using Spire
Workbook workbook = new Workbook();
workbook.LoadFromFile(Util.CSVFileName, ",", 1, 1);
Worksheet sheet = workbook.Worksheets[0];
sheet.Name = "csv to excel";
workbook.SaveToFile(Util.XLSXFileName, ExcelVersion.Version2010);