****** Your code
CURSORSETPROP("SendUpdates",.T., "mycursor")
cursorsetprop("BatchUpdateCount",1, "mycursor")
cursorsetprop("CompareMemo",.T., "mycursor")
cursorsetprop("FetchAsNeeded",.F., "mycursor")
cursorsetprop("FetchMemo",.T., "mycursor")
cursorsetprop("FetchSize",100, "mycursor")
cursorsetprop("MaxRecords",-1, "mycursor")
cursorsetprop("Prepared",.F., "mycursor")
CURSORSETPROP("KeyFieldList", "autoser","mycursor")
cursorsetprop("AllowSimultaneousFetch",.F., "mycursor")
cursorsetprop("UpdateType",1, "mycursor")
cursorsetprop("UseMemoSize",255, "mycursor")
cursorsetprop("Tables","labtest1", "mycursor")
cursorsetprop("UpdatableFieldList","req_det_id,test_name,autoser", "mycursor")
cursorsetprop("WhereType",3, "mycursor")

***** UpdateNameList
cursorsetprop("UpdateNameList","req_det_id labtest1.req_det_id, "+;
                               "test_name  labtest1.test_name, "+;
                               "autoser    labtest1.autoser", "mycursor")