A data processing method executed by a data processing apparatus, comprising the steps of:
- receiving a Web page from a server and causing said server to execute a process determined by said Web page based on an instruction input in accordance with said Web page;
- accepting control information upon reception of a setting command from said server, and storing said accepted control information in association with control identification information for identification of said control information;
- transmitting said control identification information associated with said stored control information to said server;
- and
- upon reception of a job execution command from said server including said control identification information and a result of execution by said server of the process determined by said Web page, executing a process based on the result of execution of the process determined by said Web page and said control information associated with said control identification information.