c#操作MySql.Data.DLL

MySqlConnection conn; string connString = "Persist Security Info=False;database=tldb;server=127.0.0.1;user id=root;pwd=123456"; private void OpenConn() { try { conn = new MySqlConnection(); conn.ConnectionString = connString; conn.Open(); } catch (Exception ee) { System.Windows.Forms.MessageBox.Show("打开数据库异常：" + ee.Message); } }