关于mysql-connector-net和C#.net

using System;
using System.Windows.Forms;
using MySql.Data.MySqlClient;
/*
本程序使用 MySql.Data.dll 链接Mysql数据库,读取服务器中所有数据库的名称,显示在界面上。HoverTree
*/ namespace MysqlHoverTree
{
public partial class Form1 : Form
{ private MySqlConnection _conn; public Form1()
{
InitializeComponent();
} private void button_connect_Click(object sender, EventArgs e)
{
if (_conn != null)
_conn.Close(); string h_connString = "server=localhost;user id=root; password=123456; port=3306; database=mysql; pooling=false; charset=utf8";//根据实际修改 try { _conn = new MySqlConnection(h_connString); _conn.Open(); GetDatabases(); MessageBox.Show("连接数据库成功!"); } catch (MySqlException ex) { MessageBox.Show("Error connecting to the server: " + ex.Message); }
} private void GetDatabases() { MySqlDataReader reader = null; MySqlCommand cmd = new MySqlCommand("SHOW DATABASES", _conn); try { reader = cmd.ExecuteReader(); listBox_database.Items.Clear(); while (reader.Read()) { listBox_database.Items.Add(reader.GetString()); } } catch (MySqlException ex) { MessageBox.Show("Failed to populate database list: " + ex.Message); } finally { if (reader != null) reader.Close(); } } }
}
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