Enable and Disable add and delete Buttons in Scroll:

 To enable and disable add/delete button using people code

Example With bit logic

 Local Rowset &PCS_CMP_HDR;

 & CMP_HDR = GetLevel0()(1).GetRowset(Scroll.PER_ROL_REC);

If &CMP_HDR(CurrentRowNumber()).PER_ROL_REC.WF_STATUS.Value = "A" Then

   &CMP_HDR.InsertEnabled = True;

Else

   &CMP_HDR.InsertEnabled = True;

End-If;

In front end  also you can do

1.

2.

Note:

 

In Scroll if all field all fields display only automatically add/deletions will become display only

to avoid this you have to make put at least one filed in editable and make visible property false