LOV switcher proplem
In Jdeveloper 12 c , there is a bug when you create a lov switcher. The Bug is the display list is disabled. You cannot add or delete any display attribute in the display list as show in this image To solve this problem , you have to edit the source of the view object by adding this tag <AttrArray Name="ListDisplayAttrNames"/> inside the list binding tag Example <AttrArray Name="ListDisplayAttrNames"> <Item Value="Description"/> <Item Value="RefNum"/> </AttrArray> see the image below