Populate custom form with data from database

Hi all, I followed this tutorial to create custom module. http://docs.ispconfig.org/development/interface/
ISPC automatically create table for me. I can insert data with my form but how do I populated my previous inserted data back to the form??

Thanks in advance.

 

The data is loaded if you re-open your form.

 

Unfortunately it's not working for me when I reopen the form. How does the system know which row the data in the database belong to which user?

 

Have a look at some other plugins to see how to handle the data.