How to import Excel sheet data to DataSet in C#.NET

EasyXLS Excel library can be used to import Excel files in C#. The library works with .NET Framework or .NET Core platform.

Step 1: Download EasyXLS Excel Library for .NET

To download the trial version of EasyXLS Excel Library, press the below button:

Download EasyXLS™ Excel Library for C#

If you already own a license key, you may login and download EasyXLS from your account.

Install the downloaded EasyXLS installer for v8.6 or earlier.

Step 2: License file setup

Step required for EasyXLS v9.0 or later.

If you are using a trial, generate a trial license file from EasyXLS trials page. The trial license is valid for 30-days.

If you own a license key, you may login to the account that purchased the license and generate the license file from:

Setup the license file into your project using these guidelines.

Step 3: Create a C# project

If don't have a project, create one as ASP.NET web application, windows forms app, console application, class library or service.

Step 4: Include EasyXLS library into project

EasyXLS.dll must be added as reference to your project. EasyXLS.dll can be found:
- Inside the downloaded archive at Step 1 for EasyXLS v9.0 or later
- Under installation path for EasyXLS v8.6 or earlier, in "Dot NET version" folder.

Add EasyXLS reference

Step 5: Run C# code that imports Excel sheet data to DataSet

Execute the following C# code that imports Excel sheet to DataSet .

/* ----------------------------------------------------------------
 * Tutorial 35
 * This tutorial shows how to import Excel sheet to DataSet in C#.
 * The data is imported from a specific Excel sheet (For this example 
 * we use the Excel file generated in Tutorial 09).
 * ----------------------------------------------------------------- */
using System;
using System.IO;
using System.Data;
using EasyXLS;

public class Tutorial35
    static void Main()
        Console.WriteLine("Tutorial 35\n-----------\n");

        // Create an instance of the class that imports Excel files
        ExcelDocument workbook = new ExcelDocument();

        // Import Excel sheet to DataSet
        Console.WriteLine("Reading file C:\\Samples\\Tutorial09.xlsx.\n");
        DataSet ds = workbook.easy_ReadXLSXSheet_AsDataSet("C:\\Samples\\Tutorial09.xlsx", "First tab");

        // Display imported DataSet values
        DataTable dt = ds.Tables[0];
        for (int row=0; row<dt.Rows.Count; row++)
            for (int column=0; column<dt.Columns.Count; column++)
                Console.WriteLine("At row " + (row + 1) + ", column " + (column + 1) +
                                  " the value is '" + dt.Rows[row].ItemArray[column] + "'");
        Console.Write("\nPress Enter to continue...");

        // Dispose memory


EasyXLS Excel libraries:

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

File formats:

MS Excel 97 - 2003
MS Excel 2007 - 2019
MS Excel 2021
Office 365