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        使用oledb連接access數(shù)據(jù)庫

        字號:


            使用oledb連接access數(shù)據(jù)庫,具體看下面的代碼:
            using System;
            using System.Collections.Generic;
            using System.Text;
            using System.Data;
            using System.Data.OleDb;
            namespace ConsoleApplication1
            {
            class Program
            {
            static void Main(string[] args)
            {
            OleDbConnection conn = new OleDbConnection();
            OleDbCommand comm = new OleDbCommand();
            OleDbDataReader dr=null;
            conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + System.Environment.CurrentDirectory + "";
            comm.Connection = conn;
            comm.CommandText = "select * from [login]";
            try
            {
            conn.Open();
            dr = comm.ExecuteReader();
            while (dr.Read())
            {
            for (int i = 0; i < dr.FieldCount; i++)
            Console.Write(dr.GetValue(i) + " ");
            Console.WriteLine("");
            //dr.Close();
            }
            dr.Close();
            }
            catch (Exception err)
            {
            Console.WriteLine(err.Message);
            }
            finally
            {
            comm = null;
            conn.Close();
            comm = null;
            Console.ReadKey();
            }
            }
            }
            }