public class TestResultDTO { public int id { get; set; } public string name { get; set; } public float score { get; set; } } insert and select public class MysqlConnector { private MySqlConnection connection = new MySqlConnection("Server=severip;User ID=id;Password=password;Database=db_name;Port=port"); public MysqlConnector() { connection.Open(); } public void MysqlConnectorSelect(string date) ..