-- -------------------------------------------------------- -- 主机:                           172.16.40.153 -- 服务器版本:                        5.5.5-10.0.4-MariaDB-1~wheezy-log - mariadb.org binary distribution -- 服务器操作系统:                      debian-linux-gnu -- HeidiSQL 版本:                  8.1.0.4545 -- -------------------------------------------------------- /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET NAMES utf8 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; -- 导出 test 的数据库结构 DROP DATABASE IF EXISTS `test`; CREATE DATABASE IF NOT EXISTS `test` /*!40100 DEFAULT CHARACTER SET latin1 */; USE `test`;   -- 导出  表 test.MyTable 结构 DROP TABLE IF EXISTS `MyTable`; CREATE TABLE IF NOT EXISTS `MyTable` (   `id` int(11) NOT NULL,   `username` varchar(32) DEFAULT NULL,   `password` varchar(32) DEFAULT NULL,   PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; -- 正在导出表  test.MyTable 的数据：~0 rows (大约) DELETE FROM `MyTable`; /*!40000 ALTER TABLE `MyTable` DISABLE KEYS */; INSERT INTO `MyTable` (`id`, `username`, `password`) VALUES     (1, '2013/10/13', '1f11082e-7c23-4ffd-bfd2-67b0a58d'),     (25, '2013/10/13', 'fc52bd01-474b-4fa4-86f1-18d3a3c7'),     (32, '2013/10/13', '1078f559-3e39-4b7d-bcab-0286c7f4'),     (58, '2013/10/13', '95ee6ce5-fcef-4785-bd0d-3482e6de'); /*!40000 ALTER TABLE `MyTable` ENABLE KEYS */; /*!40101 SET SQL_MODE=IFNULL(@OLD_SQL_MODE, '') */; /*!40014 SET FOREIGN_KEY_CHECKS=IF(@OLD_FOREIGN_KEY_CHECKS IS NULL, 1, @OLD_FOREIGN_KEY_CHECKS) */; /*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;

using MySql.Data.MySqlClient;

MySqlConnection connection_;         private void buttonOpenConnect_Click(object sender, EventArgs e)         {             //string connectionStr = "server=127.0.0.1;user id=root;password=;database=test";             string connectionStr = "server=172.16.40.153;user id=root;password=123456;database=test";             connection_ = new MySqlConnection(connectionStr);             connection_.Open();             MessageBox.Show("Connect OK!");         }         private void buttonSelect_Click(object sender, EventArgs e)         {             if (connection_ == null)             {                 MessageBox.Show("Please open connect!");                 return;             }             string sql = "SELECT * FROM MyTable";             MySqlDataAdapter adapter = new MySqlDataAdapter(sql, connection_);             DataTable dataTable = new DataTable();             adapter.Fill(dataTable);             dataGridViewMariaDB.DataSource = dataTable;         }         private void buttonCloseConnect_Click(object sender, EventArgs e)         {             if (connection_ != null)             {                 connection_.Close();                 MessageBox.Show("Connect Close!");             }         }         private void buttonInsert_Click(object sender, EventArgs e)         {             if (connection_ == null)             {                 MessageBox.Show("Please open connect!");                 return;             }             int id = DateTime.Now.Second;             string username = DateTime.Now.ToShortDateString();             string password = Guid.NewGuid().ToString();             string sql = string.Format("INSERT INTO MyTable (`id`,`username`,`password`) VALUES({0},'{1}','{2}');", id, username, password);             MySqlCommand command = new MySqlCommand(sql, connection_);             int affectLines = command.ExecuteNonQuery();             MessageBox.Show("Affect " + affectLines.ToString() + " line");         }         private void buttonDelete_Click(object sender, EventArgs e)         {             if (connection_ == null)             {                 MessageBox.Show("Please open connect!");                 return;             }             int no = Convert.ToInt32(textBoxNO.Text);             string sql = string.Format("DELETE FROM MyTable WHERE id={0}", no);             MySqlCommand command = new MySqlCommand(sql, connection_);             int affectLines = command.ExecuteNonQuery();             MessageBox.Show("Affect " + affectLines.ToString() + " line");         }