1.Select the columns u need
2. Go to the query explorer and drag the new data item and write the expression
running-count ([PRODUCT_LINE_EN]) and validate
name it as alternate columns
3. Then go to the page explorer drag that data item.
4. Select the whole list in the properties pane under grouping and sorting drag that data item under group(overall).
5.Now select the list coloumn body style go to the structure menu->
Headers&footers->list headers & footers then it will opens a popup and check that dataitem footer.
6. Go to the page explorer and palce the text item to the left of that data item with the empty name and delete the data item.
7. Now run the report.