c#连接mysql

想用c#做点桌面应用，可是又不想用sqlserver，准备用mysql，找了些资料，先来个简单的连接例子：
首先要下载mysql的的.net驱动，我下的是：mysql-connector-net-5.0.3，下载地址：ftp://gd.tuwien.ac.at/db/mysql/Downloads/Connector-Net/   这里也可以：http://library.pantek.com/Applications/MySQL/Downloads/Connector-Net/

然后双击安装MySql.Data.msi，安装后会在安装目录中有关bin目录Binaries\.Net2.0\MySql.Data.dll,在建立的c#项目中引用该dll，

测试代码如下：

using System;
using System.Collections.Generic;
using System.Text;
using MySql.Data.MySqlClient;

namespace testmysql
{
    class DBUtil
    {
        public static void main(String[] args) {
            new DBUtil().getData("select * from tablename");
        }
        public void getData(String sql){
             MySqlConnection conn = null;
            MySqlCommand command = null;
            MySqlDataReader reader = null;
            try
            {
                conn = new MySqlConnection("Server=localhost;User Id=root;Password=root;Persist Security Info=True;Database=test");
                command = conn.CreateCommand();
                command.CommandText = sql;
                conn.Open();
                reader = command.ExecuteReader();
                while (reader.Read())
                {
                    Console.WriteLine(reader[0]);
                    Console.WriteLine(reader[1]);
                    Console.WriteLine(reader[2]);
                }
            }
            catch (MySqlException se)
            {
                Console.WriteLine("Database operation errors : " + se.StackTrace);
                conn.Close();
                command = null;
                reader.Close();
            }
        }

    }
}