Solution : https://service.sap.com/sap/support/notes/951098 (SAP Service marketplace login required)
Key words :
terms htmlb dropdown list setselection encoded values reason, prerequisites htmlb dropdown list setselction, symptom dropdown list setselction, solution code corrected fix, selected values correctly, dropdown list, nw04 sp18 onwards, special values
Related Notes :
| 946470 | Known issues with Portal Platform SP17 |
| 944846 | NW04: Central Note for Portal SP18 |