using System;
using System.IO;
using System.Data;
using System.Data.OleDb;

namespace Skyiv.Ben.Util
{
  sealed class Pub
  {
        public static string GetExcelFirstTableName(string excelFileName)
        {
            string tableName = null;
            if (File.Exists(excelFileName))
            {
              using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet."+
                "OLEDB.4.0;Extended Properties=\"Excel 8.0\";Data Source=" + excelFileName))
              {
                  conn.Open();
                  DataTable dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
                  tableName = dt.Rows[0][2].ToString().Trim();
              }
          }
            return tableName;
        }
    }
}

以下是测试程序：

namespace Skyiv.Ben.Test
{
  using Skyiv.Ben.Util;
 
  class MainTest
  {
    static void Main(string [] args)
    {
      foreach (string s in args)
        Console.WriteLine("[{0}] => [{1}]", s, Pub.GetExcelFirstTableName(s));
    }
  }
}