ClosedXMLSample2

ClosedXMLSample2.cs

using ClosedXML.Excel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ClosedXmlSample
{
    class Program
    {
        static void Main(string[] args)
        {
            string cellValue = "";
            using (var book = new XLWorkbook(@"C:\work\sample.xlsx"))
            {
                var sheet = book.Worksheet(1);
                var firstCellUsed = sheet.FirstCellUsed();
                cellValue = firstCellUsed.Value.ToString();
            }

            Console.WriteLine(cellValue);
            Console.ReadLine();
        }
    }
}