mysqldump -u USER -p DATABASE > /var/dump.sql

string serverName = "myHost";
string userName = "DATABASEsNAME";
string dbName = "DATABASEsNAME";
string port = "3306";
string password = "myPassWord";
string connection = "server=" + serverName +
            ";user=" + userName +
            ";database=" + dbName +
            ";port=" + port +
            ";password=" + password + ";";
 MySqlConnection conn = new MySqlConnection(connStr);
 conn.Open();