Master/Detail app 'Add' button

Dear gurus,

if i have a master detail apps, how to identify which key i hav clicked child app?
Coz the ‘Add’ button child app could be either from Parent 1 or Parent 2…

didn’t get you question :slight_smile: do you want to disable the add button in one of them !?

sorry for my bad english.
I will close it now since my problem resolved… didn’t know what i have done to fix it.

Hi Weilies.
I think I understand what was your problem, as I have an issue that may be similar to yours.
Would you sahre how yo solved it ?
And maybe read my issue, I would appreciate a lot.