using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.Linq;
using System.Text;

namespace ImportDBF01
{
    class Program
    {
        static void Main(string[] args)
        {

            // использование OLEDB
            //string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=d:\22\;Extended Properties=dBASE IV;User ID=Admin;Password=";
            string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=d:\22\2\;Extended Properties=dBASE IV";
            using (OleDbConnection con = new OleDbConnection())
            {
                con.ConnectionString = ConnectionString;
                con.Open();
                string strSQL = "SELECT * FROM mer200.dbf";
                OleDbCommand myCmd = new OleDbCommand(strSQL, con);
                using (OleDbDataReader reader = myCmd.ExecuteReader())
                {
                    while (reader.Read())
                    {
                        Console.WriteLine("-> [TYP_DCL]= {0}  [MONTH]= {1}.",
                            reader["TYP_DCL"].ToString().Trim(),
                            reader["MONTH"].ToString().Trim()
                            );
                    }
                }
            }
            Console.ReadLine();
        
        }
    }
}

-> [TYP_DCL]= I  [MONTH]= 01.
-> [TYP_DCL]= I  [MONTH]= 06.
-> [TYP_DCL]= I  [MONTH]= 06.
-> [TYP_DCL]= I  [MONTH]= 07.
-> [TYP_DCL]= I  [MONTH]= 01.
-> [TYP_DCL]= I  [MONTH]= 09.
-> [TYP_DCL]= I  [MONTH]= 02.
-> [TYP_DCL]= I  [MONTH]= 11.
-> [TYP_DCL]= I  [MONTH]= 09.
-> [TYP_DCL]= I  [MONTH]= 09.
-> [TYP_DCL]= I  [MONTH]= 05.
-> [TYP_DCL]= I  [MONTH]= 06.
-> [TYP_DCL]= I  [MONTH]= 05.
-> [TYP_DCL]= I  [MONTH]= 08.
-> [TYP_DCL]= I  [MONTH]= 04.