public bool UpdateById(int id, Attendence att)
        {
            string          sql        = "update attendance set employee_id = @employeeId,employee_name=@employeeName,status=@status,late_time=@lateTime,AReason=@aReason where id = @id;";
            MySQLConnection sqlHelp    = new MySQLConnection();
            MySqlParameter  parameter1 = new MySqlParameter("employeeId", sqlHelp.SqlNull(att.employeeId));
            MySqlParameter  parameter2 = new MySqlParameter("employeeName", sqlHelp.SqlNull(att.employeeName));
            MySqlParameter  parameter3 = new MySqlParameter("status", sqlHelp.SqlNull(att.status));
            MySqlParameter  parameter4 = new MySqlParameter("lateTime", sqlHelp.SqlNull(att.lateTime));
            MySqlParameter  parameter5 = new MySqlParameter("aReason", sqlHelp.SqlNull(att.aReason));

            if (sqlHelp.ExecuteNonQuery(sql, parameter1, parameter2, parameter3, parameter4, parameter5))
            {
                return(true);
            }
            return(false);
        }
        public bool AddAttendance(Attendence att)
        {
            string          sql        = " insert into attendance (employee_id,employee_name,status,late_time,AReason) values(@employeeId,@employeeName,@status,@lateTime,@aReason);";
            MySQLConnection sqlHelp    = new MySQLConnection();
            MySqlParameter  parameter1 = new MySqlParameter("employeeId", sqlHelp.SqlNull(att.employeeId));
            MySqlParameter  parameter2 = new MySqlParameter("employeeName", sqlHelp.SqlNull(att.employeeName));
            MySqlParameter  parameter3 = new MySqlParameter("status", sqlHelp.SqlNull(att.status));
            MySqlParameter  parameter4 = new MySqlParameter("lateTime", sqlHelp.SqlNull(att.lateTime));
            MySqlParameter  parameter5 = new MySqlParameter("aReason", sqlHelp.SqlNull(att.aReason));

            if (sqlHelp.ExecuteNonQuery(sql, parameter1, parameter2, parameter3, parameter4, parameter5))
            {
                return(true);
            }
            return(false);
        }