EasyXLS

How to create Excel file in C#.NET

/* ------------------------------------------------------------------
 * Tutorial 03
 *
 * This tutorial shows how to create an Excel file (1) that has 
 * multiple sheets (2) in C#. The created Excel file is empty and the 
 * next tutorial shows how to add data into sheets.
 * ------------------------------------------------------------------ */
Click here to see the Excel file

using System;
using EasyXLS;

public class Tutorial03
{
    [STAThread]
    static void Main()
    {
        Console.WriteLine("Tutorial 03\n----------\n");

        // Create an instance of the class that creates Excel files, having two sheets (1)
        ExcelDocument workbook = new ExcelDocument(2);
        
        // Set the sheet names (2)
        workbook.easy_getSheetAt(0).setSheetName("First tab");
        workbook.easy_getSheetAt(1).setSheetName("Second tab");
        
        // Create the Excel file
        Console.WriteLine("Writing file C:\\Samples\\Tutorial03.xls.");
        workbook.easy_WriteXLSFile("C:\\Samples\\Tutorial03.xls");

        // Confirm the creation of Excel file
        String sError = workbook.easy_getError();
        if (sError.Equals(""))
            Console.Write("\nFile successfully created. Press Enter to Exit...");
        else
            Console.Write("\nError encountered: " + sError + "\nPress Enter to Exit...");

        // Dispose memory
        workbook.Dispose();

        Console.ReadLine();
    }
}

EasyXLS Excel libraries:

.NET
Excel Library for C#
full .NET version to import, export or convert Excel files
Excel Writer for C#
.NET version to create and export Excel files
Download EasyXLS™ Excel Library for C#

File formats:

MS Excel 97 - 2003
MS Excel 2007 - 2010
MS Excel 2013
MS Excel 2016
MS Excel 2019
XLSX XLSM XLSB XLS
XML HTML CSV TXT