1.訪問云服務器：云服務器端需在防火墻設置中添加mysql協議規則(放開端口默認為3306)。 2.訪問云服務器：修改云服務器數據庫訪問權限

3.c#連接實例

try{DataTable dt = new DataTable();string ConnectionStr = "server=" + "xxx.xxx.xxx.xxx" + ";User ID=root;Password=123456;database=mydatabase;Allow User Variables=True;SslMode=none;";MySqlConnection conn = new MySqlConnection(ConnectionStr);conn.Open();string sSQL = "select *from mytable2";MySqlCommand cmd = new MySqlCommand(sSQL, conn);MySqlDataReader dr = cmd.ExecuteReader();if (dr.HasRows){//讀取MySqlDataReader里的內容 dt.Load(dr);}//關閉對象和連接 dr.Close();this.dataGridView1.DataSource = dt;}catch(Exception ee){}

4.my.ini文件實例

# For advice on how to change settings please see #?http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html # *** DO NOT EDIT THIS FILE. It's a template which will be copied to the # *** default location during install, and will be replaced if you # *** upgrade to a newer version of MySQL. [mysql] # 設置mysql客戶端默認字符集 default-character-set=utf8 [mysqld]# Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M# Remove leading # to turn on a very important data integrity option: logging # changes to the binary log between backups. # log_bin# These are commonly set, remove the # and set as required. basedir =C:\mysql-5.6.40-winx64 datadir = C:\mysql-5.6.40-winx64\data port = 3306 # server_id = .....# Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

總結

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