These C# and Visual Basic .NET samples will show how to import data from list to Excel spreadsheet with Bytescout Spreadsheet SDK.

C#

using System.Collections;
using System.Diagnostics;
using System.IO;

namespace Bytescout.Spreadsheet.Demo.Csharp.ImportFromList
{
    class Program
    {
        static void Main(string[] args)
        {
            const string fileName = "CSharpImportFromList.xls";

            // Create a new spreadsheet
            Spreadsheet spreadsheet = new Spreadsheet();

            // Get the data from the 2D array that we want to import
            IList planets = GetList();

            // Import data into spreadheet
            spreadsheet.ImportFromList(planets);

            // Save the spreadsheet
            if (File.Exists(fileName)) File.Delete(fileName);
            spreadsheet.SaveAs(fileName);

            // Close spreadsheet
            spreadsheet.Close();

            // Open the spreadsheet
            Process.Start(fileName);
        }

        /// <summary>
        /// Creates a list of planets
        /// </summary>
        /// <returns>List of planets</returns>
        private static IList GetList()
        {
            string[,] planets = new string[9,1];
            planets[0,0] = "Mercury";
            planets[1,0] = "Venus";
            planets[2,0] = "Earth";
            planets[3,0] = "Mars";
            planets[4,0] = "Jupiter";
            planets[5,0] = "Saturn";
            planets[6,0] = "Uranus";
            planets[7,0] = "Neptune";
            planets[8,0] = "Pluto";

            return planets;
        }
    }
}

VB.NET

Imports System.IO

Module Module1

    Sub Main()
        Const fileName As String = "VBNetImportFromList.xls"

        'Create a new spreadsheet
        Dim spreadsheet As Bytescout.Spreadsheet.Spreadsheet = New Bytescout.Spreadsheet.Spreadsheet

        'Get the data from the jagged array that we want to import
        Dim list As IList = GetList()

        'Import data into spreadheet
        spreadsheet.ImportFromList(list)

        'Save the spreadsheet
        If (File.Exists(fileName)) Then
            File.Delete(fileName)
        End If
        spreadsheet.SaveAs(fileName)

        'Close spreadsheet
        spreadsheet.Close()

        'Open the spreadsheet
        Process.Start(fileName)
    End Sub

    ''' <summary>
    ''' Creates a list of planets
    ''' </summary>
    ''' <returns>A list of planets</returns>
    ''' <remarks></remarks>
    Function GetList() As IList

        Dim planets(9, 1) As String

        planets(0, 0) = "Mercury"
        planets(1, 0) = "Venus"
        planets(2, 0) = "Earth"
        planets(3, 0) = "Mars"
        planets(4, 0) = "Jupiter"
        planets(5, 0) = "Saturn"
        planets(6, 0) = "Uranus"
        planets(7, 0) = "Neptune"
        planets(8, 0) = "Pluto"

        Return planets
    End Function

End Module