using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data.OleDb; using System.Data; namespace Excel.ADO.Net { class Program { static void Main(string[] args) { // 適当なファイル名を入力 string path = Console.ReadLine(); using (var conn = new OleDbConnection( @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";Extended Properties=Excel 8.0;")) { conn.Open(