C#使用Ado.net读取Excel表的方法

using System;
using System.Data.OleDb;
namespace ConsoleApplication1
{
 class Program
 {
 static void Main()
 {
  string connString = "Provider=Microsoft.Jet.OleDb.4.0; data source=c:\\sample.xls; Extended Properties=Excel 8.0;";
  // Select using a Worksheet name
  string selectqry = "SELECT * FROM [Sheet1$]";
  OleDbConnection conn = new OleDbConnection(connString);
  OleDbCommand cmd = new OleDbCommand(selectqry,con);
  try
  {
  con.Open();
  OleDbDataReader theDatardr = cmd.ExecuteReader();
  while (theDatardr.Read())
  {
   Console.WriteLine("{0}:{1}({2})?C{3}({4})",theDatardr.GetString(0),theDatardr.GetString(1),theDatardr.GetString(2),theDatardr.GetString(3),theDatardr.GetString(4));
  }
  }
  catch (Exception ex)
  {
  Console.WriteLine(ex.Message);
  }
  finally
  {
  con.Dispose();
  }
 }
 }
}