Create a spreadsheet document

OpenXML Excel

 string FilePath = @"..\..\..\..\Sample Files\";

string FileName = FilePath + "Create a spreadsheet document.xlsx";

CreateSpreadsheetWorkbook(FileName);

private static void CreateSpreadsheetWorkbook(string filepath)

{

    // Create a spreadsheet document by supplying the filepath.

    // By default, AutoSave = true, Editable = true, and Type = xlsx.

    SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.

        Create(filepath, SpreadsheetDocumentType.Workbook);

    // Add a WorkbookPart to the document.

    WorkbookPart workbookpart = spreadsheetDocument.AddWorkbookPart();

    workbookpart.Workbook = new Workbook();

    // Add a WorksheetPart to the WorkbookPart.

    WorksheetPart worksheetPart = workbookpart.AddNewPart<WorksheetPart>();

    worksheetPart.Worksheet = new Worksheet(new SheetData());

    // Add Sheets to the Workbook.

    Sheets sheets = spreadsheetDocument.WorkbookPart.Workbook.

        AppendChild<Sheets>(new Sheets());

    // Append a new worksheet and associate it with the workbook.

    Sheet sheet = new Sheet()

    {

        Id = spreadsheetDocument.WorkbookPart.

            GetIdOfPart(worksheetPart),

        SheetId = 1,

        Name = "mySheet"

    };

    sheets.Append(sheet);

    workbookpart.Workbook.Save();

    // Close the document.

    spreadsheetDocument.Close();

}

}

Aspose.Cells

 string FilePath = @"..\..\..\..\Sample Files\";

string FileName = FilePath + "Create a spreadsheet document.xlsx";

CreateSpreadsheetWorkbook(FileName);

private static void CreateSpreadsheetWorkbook(string filepath)

{

    //Instantiating a Workbook object

    Workbook workbook = new Workbook();

    //Adding a new worksheet to the Excel object

    Worksheet worksheet = workbook.Worksheets.Add("MySheet");

    //Saving the Excel file

    workbook.Save(filepath);

}

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