黑马程序员 将Access数据库里的数据导入Sql server数据库里

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前几天在黑马论坛上遇到一个网友求手机IP地址的数据，我便回复，网上如果找不到的话可以加我QQ，今晚下班回来，打开QQ给他传过去~结
果让他想不到，用不了，因为我在网下下的是Access的数据库，而他用的是Sql Server数据库，然后我就引用了前几天所学的知识~些了一小段
程序，把Access数据库里的数据导入到Sql Server，虽然代码不够简洁，但还是顺利的完成啦~哈哈，希望网友给予改善

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Data.OleDb;//导入Access数据库的命名空间

using System.Data.SqlClient;
namespace 把Access书库导入Sql_server

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}
private void button1_Click(object sender, EventArgs e)

{

string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\mobile.mdb;Jet OLEDB:Database
Password=123;Persist Security Info=False";//连接Access数据库的字符串

using (OleDbConnection conStr = new OleDbConnection(connectionString))

{

conStr.Open();//打开数据

using (OleDbCommand com = conStr.CreateCommand())

{

com.CommandText = "select * from list";

using (OleDbDataReader reader = com.ExecuteReader())

{

//string code = Convert.ToString(reader.GetString(reader.GetOrdinal("code")));

string sqlConStr = @"Data Source=HP-PC\SQLEXPRESS;Initial Catalog=login;Integrated Security=True";

using (SqlConnection sqlCon = new SqlConnection(sqlConStr))

{

sqlCon.Open();

using (SqlCommand sqlCmd = sqlCon.CreateCommand())

{

while (reader.Read())//读取数据库里的数据

{

string oleNum = Convert.ToString(reader.GetString(reader.GetOrdinal("num")));

string oleCode = Convert.ToString(reader.GetString(reader.GetOrdinal("code")));

string oleCity = Convert.ToString(reader.GetString(reader.GetOrdinal("city")));

string oleCardtype = Convert.ToString(reader.GetString(reader.GetOrdinal("cardtype")));

sqlCmd .CommandText= "insert into T_mobile(Num,Code,City,Cardtype) values
(@num,@code,@city,@cardtype)";

SqlParameter anum = new SqlParameter("num",oleNum);

SqlParameter bcode = new SqlParameter("code", oleCode);

SqlParameter ccity=new SqlParameter("city",oleCity);

SqlParameter dcardtype=new SqlParameter("cardtype",oleCardtype);

sqlCmd.Parameters.Add(anum);

sqlCmd.Parameters.Add(bcode);

sqlCmd.Parameters.Add(ccity);

sqlCmd.Parameters.Add(dcardtype);

sqlCmd.ExecuteNonQuery();

sqlCmd.Parameters.Clear();

}

}

}

}

}

}

MessageBox.Show("数据导入成功");

}

}

}

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