As we know select list is an item type available in Oracle apex in each of the version, for the single selection you don’t need to bother, it is just below
We have a select list in page region
Here i have disabled Multi Selection .
ITEM Settings Allow Multi Selection - NO Report query is just simple as where …
P3_EMAIL P3_EMAILVIEW Show_BTN Problem - Pass value of P3_EMAIL to P3_EMAILVIEW
Step 1 - disable item P3_EMAILVIEW using disable property
Step 2 - Add dynamic Action for the button Show_BTN
Create dynamic Action …