Discoverer Row wise calculation columns

Can You use Excel type Formulations in discoverer?
Meaning Can a calculation column that calls the row into a formula such as a general
i.e. Apples, bananas, oranges ROWS Calculation Column ROW / Total fruit
That include crosstabs such as time and let's say grocery store
Also there is a requirement that states if percent of apple fruit is greater then 50% of total fruit then a string such as "more then half" must be displayed in a calculation column....
The actual formulas are more complicated however these examples are to find out discoverer functionality.
Thanks way in advance....

Similar Messages

Strange error in Discoverer calculated columns.

Hi,
I got a strange error in discoverer10g worksheet. In woksheet the calculated coulmns did not return data but in PL/SQL developer when I run the query taking from the Show SQL of Discoverer Worksheet it returns. Anyone please help me to resolve this problem.
I paste the show sql discoverer query below:
SELECT /*+ NOREWRITE */
O378524.NAME AS E394898,
O397424.COMPANY AS E397430,
O397424.SEGMENT1 AS E397431,
O397424.INV_ORG AS E397433,
O397424.VENDOR_NAME AS E397435,
O397424.INVOICE_ID AS E397436,
O397424.PERIOD_NAME AS E397438,
O397424.AMOUNT_PAID AS E397439,
DENSE_RANK() OVER(PARTITION BY O397424.ORG_ID ORDER BY O397424.AMOUNT_PAID DESC) AS C_5,
(SUM(O397424.AMOUNT_PAID)
OVER(PARTITION BY O397424.ORG_ID ORDER BY O397424.AMOUNT_PAID DESC ROWS
UNBOUNDED PRECEDING)) /
(SUM(O397424.AMOUNT_PAID) OVER(PARTITION BY O397424.ORG_ID)) AS C_4,
SUM(O397424.AMOUNT_PAID) OVER(PARTITION BY O397424.ORG_ID ORDER BY O397424.AMOUNT_PAID DESC ROWS UNBOUNDED PRECEDING) AS C_1,
O397424.AMOUNT_PAID /
(SUM(O397424.AMOUNT_PAID) OVER(PARTITION BY O397424.ORG_ID)) AS C_3,
SUM(O397424.AMOUNT_PAID) OVER(PARTITION BY O397424.ORG_ID) AS C_2
FROM (SELECT * FROM APPS.HR_OPERATING_UNITS) O378524,
(SELECT DISTINCT /*SEGMENT1*/ CODE_COMBINATION_ID, INV_ORG
FROM (SELECT GCC.SEGMENT1,
GCC.CODE_COMBINATION_ID,
DECODE(GCC.SEGMENT1,
7590,
'Kanowna Belle Organisation',
7060,
'Darlot Organisation',
7260,
'Cowal Organisation',
7570,
'Kanowna Belle Organisation',
7595,
'Kundana Organisation',
7070,
'Lawlers Organisation',
7180,
'NULL for Yilgarn(Barrick (Services) Limited)',
7541,
'Granny Smith Organisation',
7015,
'NULL for Barrick Gold(Barrick (Australia Pacific) Limited)',
7610,
'Kundana Organisation',
7014,
'NULL for Yilgarn(Yilgarn Shared Services)',
7538,
'Granny Smith Organisation',
'Unknown') INV_ORG
FROM APPS.GL_CODE_COMBINATIONS GCC)
/*WHERE SEGMENT1 IN
(7590, 7060, 7260, 7570, 7595, 7070, 7180, 7541, 7015, 7610, 7014, 7538)*/
) O394875,
(SELECT CHQ.ORG_ID,
FVT.DESCRIPTION COMPANY,
GCC.SEGMENT1,
INVD.DIST_CODE_COMBINATION_ID,
DECODE(GCC.SEGMENT1,
7590,
'Kanowna Belle Organisation',
7060,
'Darlot Organisation',
7260,
'Cowal Organisation',
7570,
'Kanowna Belle Organisation',
7595,
'Kundana Organisation',
7070,
'Lawlers Organisation',
7180,
'NULL for Yilgarn(Barrick (Services) Limited)',
7541,
'Granny Smith Organisation',
7015,
'NULL for Barrick Gold(Barrick (Australia Pacific) Limited)',
7610,
'Kundana Organisation',
7014,
'NULL for Yilgarn(Yilgarn Shared Services)',
7538,
'Granny Smith Organisation',
'Unknown') INV_ORG,
CHQ.VENDOR_ID,
CHQ.VENDOR_NAME,
COUNT(INV.INVOICE_ID) INVOICE_ID,
--INVL.PRODUCT_TYPE,
INVL.PERIOD_NAME,
--chq.check_date,
SUM(NVL(INVP.PAYMENT_BASE_AMOUNT, INVP.AMOUNT)) AMOUNT_PAID
FROM APPS.AP_CHECKS_ALL CHQ,
APPS.AP_INVOICE_PAYMENTS_ALL INVP,
APPS.AP_INVOICES_ALL INV,
APPS.AP_INVOICE_LINES_ALL INVL,
APPS.AP_INVOICE_DISTRIBUTIONS_ALL INVD,
APPS.GL_CODE_COMBINATIONS GCC,
APPS.FND_FLEX_VALUES FV,
APPS.FND_FLEX_VALUES_TL FVT
WHERE CHQ.CHECK_ID = INVP.CHECK_ID
AND INVP.INVOICE_ID = INV.INVOICE_ID
AND INVL.INVOICE_ID = INV.INVOICE_ID
AND INVL.LINE_NUMBER =
(SELECT MIN(LINE_NUMBER)
FROM APPS.AP_INVOICE_LINES_ALL
WHERE INVOICE_ID = INVL.INVOICE_ID
AND LINE_TYPE_LOOKUP_CODE = 'ITEM'
AND DISCARDED_FLAG = 'N')
AND INVL.INVOICE_ID = INVD.INVOICE_ID
AND INVL.LINE_NUMBER = INVD.INVOICE_LINE_NUMBER
AND INVD.DISTRIBUTION_LINE_NUMBER = 1
AND INVD.DIST_CODE_COMBINATION_ID = GCC.CODE_COMBINATION_ID
AND FV.FLEX_VALUE_SET_ID = 1013043
AND FV.FLEX_VALUE = GCC.SEGMENT1
AND FV.FLEX_VALUE_ID = FVT.FLEX_VALUE_ID
GROUP BY CHQ.ORG_ID,
GCC.SEGMENT1,
CHQ.VENDOR_ID,
CHQ.VENDOR_NAME,
FVT.DESCRIPTION,
--INVL.PRODUCT_TYPE,
INVL.PERIOD_NAME,
--chq.check_date,
INVD.DIST_CODE_COMBINATION_ID) O397424
WHERE ((O397424.ORG_ID = O378524.ORGANIZATION_ID) AND
(O397424.DIST_CODE_COMBINATION_ID = O394875.CODE_COMBINATION_ID))
AND (O397424.AMOUNT_PAID > 0)
AND (O397424.PERIOD_NAME = /*:"Period"*/'DEC-09')
-- AND (O394875.INV_ORG = :"Inv Org")
AND (O378524.NAME = /*:OU*/'Barrick Yilgarn')
ORDER BY O397424.AMOUNT_PAID DESC;
Edited by: Soma Sekhar D on Feb 24, 2010 11:46 AM

Hi,
In the report I have two worksheet. The Ist worksheet has the same calculated columns as 2nd worksheet. Even the calculations are also the same. The only difference is I use different folder for the 2nd worksheet. For 2nd worksheet layout only the calculated columns will not display the result.The other columns displayed the result properly. Even in the Ist worksheet all the columns including calculated columns displayed the result correctly.The calculations are same in the 2nd worsheet with calculation names different and items coming from different folder. As these calculations are working properly in Ist worksheet,why its not appearing in the 2nd worksheet? The query I paste before is the Discoverer show sql query for 2nd worksheet.
Please help.

Ordering row wise totals in a column.

Hi,
I have a report in Pivot view having two columns namely Count and Category. I have to apply sort on these two columns-first on Count and then on Category.
The Total Count is also calculated row wise. Now when I apply sort on count column, only the values in that column are being sorted and not according to row wise total count. But my requirement is to sort the total count row wise first and then by Category.I am unable to do so.
Kindly provide me the solution to this problem.
Thanks
Ankita

Use RunningSum() function.
Regards,
Rohit

Calculating Row wise %

Hi Experts,
I am unable to find a solution on calculating row wise percentage.
My requirement goes like this
CUSTOMER---------VALUE----------------PERCENT
CUSTA------------------7--------------------(7/21)*100
CUSTB------------------5--------------------(5/21)*100
CUSTC------------------9--------------------(9/21)*100
TOTAL-----------------21
I am unable to do calculate the PERCENT.
I am using a pivot view...
Please let me know your views on how to achieve this...
Appreciate your immediate response...
-Thanks!

Hello,
go to pivot view,
Duplicate the VALUE column in measures block. Now you find 2 columns with the same name.
And for duplicated column (the 2nd one) go to More Options.. > Show Data As > Percent of > Column.
You find automatically it calculates the % value...
Ad if you want you can change the 2nd column heading to precise manner.

Need help with a calculated column - is there any way to reference a value in the current row?

Hey guys,
I'm a bit of a DAX newbie, and I'm running into a block. I'm creating a Power View report about IT tickets. We are going to be creating a cube to automate the data soon, I'm currently working with a flat Excel Data Table of data to demonstrate the Power
View reporting capabilities to the team. I need the default display to show the top 4-5 items basked on the Ticket Count. The three applicable columns I'm using are the TicketID, the ContactReason, and the AssetCategory - all three are
text. One slide will show the top five Contact Reasons by Ticket Count, and the other will show the top five Categories by Ticket Count. The users will see this default view, but will be able to change it to see differently ranked items or can clear the
ranking slicer altogether.
What I've accomplished so far is to create the Calculated Field [Ticket Count] = COUNTA(Table1[TicketID])
And 2 other calculated fields:
[Contact Rank] = RANKX(ALL(Table1[ContactReason]),[Ticket Count],,,DENSE)
[Asset Rank] = RANKX(ALL(Table1[AssetCategory]),[Ticket Count],,,DENSE)
If I were creating a Pivot Table, this would be great. These fields calculate everything the right way. The problem is, I need to have a Rank slicer on each slide and the calculation by itself contains no data - with no data, there's nothing to slice. I
realized I need to actually have columns of data so I can create a slicer. I need each row of the table to show the same [Contact Rank] for every instance of a particular ContactReason (and the same for the [Asset Rank] and AssetCategory).
The RANKX formulas pasted into the Calculated Column section only show a value of 1 - with no Pivot table summarizing the fields, it's counting each row's ticket once, giving every line the tied Rank of #1.
I've solved the problem in Excel by creating 2 Pivot Tables on a separate sheet that have the data field and the calculated field for ContactRason and AssetCategory. Then on my Excel Data Table, I've added two columns that do a VLOOKUP and pull over a the
Calculated Rank from each Pivot Table that match the ContactReason and AssetCategory fields. This works on the flat Excel Data Table now, but will not be a solutions when we start pulling the data from the cube (and there is no flat table).
What I think I need is an Expression for the RANKX formula that can give me, for each row, the count of all of the times a ContactReason shows up in an entire column. There's only about 100,000 lines of data and each ContactReason or AssetCategory
may show up several thousand times. But if I can get the expression to return that count, then the RANKX formula should work in the Column. If it wasn't a DAX formula, I'd use a COUNTIF and say 'Count the entire ContactReason column anytime it's equal to the
ContactReason on THIS row', but in DAX I don't know how to reference a single value in a row. I've tried the CALCULATE() formula, but it seems like the filter needs a specific value, and doesn't work on a dynamic "cell" value.
Any help would be greatly appreciated! (I hope it all makes sense!)

If I've understood you correctly then the ALLEXCEPT function may be what you're after and it could be applied in a similar way to the following...
=
RANKX(
ALL(Table1),
CALCULATE(
COUNTROWS(table1),
ALLEXCEPT(Table1, Table1[ContactReason])
DENSE
If this has missed the mark, would it be possible to clarify the requirement further?
Regards,
Michael Amadi
Please use the 'Mark as answer' link to mark a post that answers your question. If you find a reply helpful, please remember to vote it as helpful :)
Website: http://www.nimblelearn.com
Blog: http://www.nimblelearn.com/blog
Twitter: @nimblelearn

How 2 Change of column wise o/p to row wise output in ABAP?

Hi all,
I am getting the output in column wise as normally but how can I get the ouput in row wise.in ABAP.
its urgent. can any one help me how to change the output layout?
thanks in advance,
Sakthi.C

if it is normal report .then
go through the write statents . one of that is below
Loop at itab .
write : itab .
endloop.
if it is ALV then you have to define an internal table which are the fieldds you want palce in the Row .
so that
data c type i value    '1'.
loop at itab .
fieldcatalog-fieldname   = itab-field.
fieldcatalog-col_pos     = c.
append fieldcatalog to fieldcatalog.
clear fieldcatalog
c = c + 1.
endloop.
so that the Col_pos will be increased and the Column data will be moved into Row .
reward points if it is usefull...
Girish

Including both the Jquery script to calculate the total of calculated column and freeze header row

Hi
I managed to get this code from here,
http://techtrainingnotes.blogspot.in/2013/03/freezing-title-row-of-sharepoint-2010.html done on the page
I also managed to get this code from here, http://www.sharepointed.com/2012/11/28/jquery-total-calculated-column-in-sharpoint-2010/ done on another page.
However, I need this to be done on the same page. When I do this, I only get the freeze header thingy to be up and not the calculated column. Could something be blocking.

Hi,
You take the code below for a try in your environment after modified it a bit to suit the structure of your page:
<script type="text/javascript" src="../../SiteAssets/js/jquery-1.10.2.min.js"></script>
<script type="text/javascript">
// update the list after the page has loaded
_spBodyOnLoadFunctionNames.push("TTNListScroll");
function TTNListScroll()
// Scrolling list code from TechTrainingNotes.blogspot.com
// Edit the next line with your list's summary name
var SummaryName = "List28_frozenheader ";
var TTNmyTable;
var TTNListDiv = document.createElement('div');
var TTNHeadingDiv = document.createElement('div');
var tables = document.getElementsByTagName("table");
for (var i=0;i<tables.length;i++)
if(tables[i].summary == SummaryName)
TTNmyTable = tables[i];
break;
if(TTNmyTable == undefined)
// // Table not found!
// you may want to comment out the next line after testing
alert("table '" + SummaryName + "' not found");
return;
// make a copy of the table for the heading area
TTNHeadingDiv.appendChild(TTNmyTable.cloneNode(true));
TTNHeadingDiv.id="TTNheading";
TTNListDiv.appendChild(TTNmyTable.cloneNode(true));
TTNListDiv.id="TTNlist";
TTNListDiv.width="100%";
// udpate the page
var TTNnode = TTNmyTable.parentNode;
TTNnode.replaceChild(TTNHeadingDiv, TTNmyTable);
TTNnode.appendChild(TTNListDiv);
// hide the heading row of the main list
TTNListDiv.childNodes[0].rows[0].style.visibility='hidden';
// make the DIV for the heading the same width as the main list
TTNHeadingDiv.childNodes[0].style.width = TTNListDiv.childNodes[0].offsetWidth;
getSum(3);
//pass the column number to this function
function getSum(col)
var m = "$"; //change to "" for non-money format
var arrayList = $("table.ms-listviewtable:first> tbody> tr:gt(0)").find(">td:eq("+col+")");
var x = 0;
var p1 = "";
var p2 = "";
$.each(arrayList, function(){
//console.log('$(this).text(): '+$(this).text());
x += Number($(this).text().replace(/\$|,|\)/g, "").replace(/\(/g,"-"));
//console.log('x: '+x);
//format for negative numbers
if (x < 0)
p1 = "(";
p2 = ")";
x = Math.abs(x);
$('#diidSortcal').attr('visibility','visible');
$('#diidSortcal').text($('#diidSortcal').text()+'(sum: '+x+')');
function addCommas(nStr)
//formats number
nStr += '';
x = nStr.split('.');
x1 = x[0];
x2 = x.length > 1 ? '.' + x[1] : '';
var rgx = /(\d+)(\d{3})/;
while (rgx.test(x1))
x1 = x1.replace(rgx, '$1' + ',' + '$2');
return x1 + x2;
</script>
<style type="text/css">
#TTNheading
height:28px;
#TTNlist
height:200px;
overflow-y:scroll !important;
overflow-x:auto
</style>
Then you might get something like this:
Feel free to reply if there are still any questions.
Best regards
Patrick Liang
TechNet Community Support

Calculated column shows all zeros in cross tab discoverer report

Hi
I have a calculated column in a cross tab report which shows all zeros, but when i duplicate the report as 'table' the calculated colun is getting populated.
i did not understand why it is doing like that, are there any special privileges or any special settings required for creating a cross tab report.

Hi,
No there is no special privs for cross tab but there is an aggregation issue.
There are some methods of aggregations used in the discoverer.
First thing you can so is to make sure that in the cross tab sheet you use the detailed data points and that you are not combining different levels of aggregations (for example one amount in details and another one summed).
Second thing you can try is to change the aggregation for this worksheet, you can do that by going to the worksheet properties to the aggregation tab and try to change the settings.
Third thing is to check the pref.txt file in the application server and set "AllowAggregationOverRepeatedValues" to 1
BTW also search your data and find whether you got NULL values in the aggregated items, if so then wrap the data points with NVL function.

Output data in row wise instead of column

hi all,
i need to get the output data in row wise which is getting now as column wise.
for eg:
below is my final internal table.
HEADING      DATE   MATNR   BUKRS   DMBTR
jan/08        200801    567       10       800
feb/08       200802    567       10       900
mar/08      200803    567       10       200
apr/09       200804    567       10       400
the output should come as
MATNR BUKRS   Jan/08   Feb/08   Mar/08   Apr/08
567      10       800    900       200      400.
instead of column wise the output should display as row as above.
please help how to get this.
thanks in advance

Hi Vignesh,
Please use below program which I created for you reference. It will work for your requirement.
DATA:BEGIN OF it_test OCCURS 1,
     date(6),
     matnr(5),
     bukrs(3),
     END OF it_test.
it_test-date = 'jan/08'.
it_test-matnr = '01234'.
it_test-bukrs = 'AE1'.
APPEND it_test.
it_test-date = 'feb8'.
it_test-matnr = '56789'.
it_test-bukrs = 'AE1'.
APPEND it_test.
it_test-date = 'mar8'.
it_test-matnr = '23478'.
it_test-bukrs = 'AE1'.
APPEND it_test.
START-OF-SELECTION.
LOOP AT it_test.
    WRITE :/ 'DATE', 'MATNR', 'BUKRS', it_test-date, it_test-matnr, it_test-bukrs .
ENDLOOP.
Output Will be as follows :-
DATE MATNR BUKRS jan/08 01234 AE1
DATE MATNR BUKRS feb8   56789 AE2
DATE MATNR BUKRS mar8   23478 AE3
Please set to resolve if this satisfies your requirement.
Regards
Abhii..

SSAS Tabular Calculated Column: Want a calc column that only populates if row value = X

I have a table with SalesAgentID, SalesAgentTypeID (can be types 1,2, or 3), and I want to add a new column called Type1, Type2, Type3.
Type 1 would only show the SalesAgentID if SalesAgentTypeID =1.
It seems like I should be able to do this with a calculated column but I'm not having any luck, I tried using a FILTER but couldn't get that to work and now I tried a LOOKUPVALUE but get "calculation error in column, a table of multiple values was supplied
where a single value was expected".
=LOOKUPVALUE[SalesAgentID,[SalesAgentTypeID],1)
Second part of this, I want to use this to build a hierarchy as AgentType 1 should be the top, Type2 below 1, etc...
Perhaps there is a better way to build a hierarchy than making these calculated columns? (Since we have a hard set limit of 4 levels it just seemed easier to treat this like Country, State, City, etc...)

Hi OneWithQuestions,
According to your description, you want to create a calculated column in your tabular model. And the value in the calculated column is based on the SalesAgentType column, right?
In this case, you can use the DAX below to create the calculated column.
IF(TableName[SalesAgentType]=1,value,blank())
I have tested it on my localenvironment, the screenshot below is for you reference.
Reference
http://msdn.microsoft.com/en-in/library/hh213003.aspx
http://msdn.microsoft.com/en-us/library/gg492126.aspx
Regards,
Charlie Liao
If you have any feedback on our support, please click
here
Charlie Liao
TechNet Community Support

How to print column wise istead of row wise

Hi,
please help on this..
i want to print coloumn wise Employee data instead of row wise.
Keeping Employee name constant i want to print month wise salary..
Like this..
Employee name|Jan-2010-Wages paid|Feb-2010-Wages paid
soon...
Plez help me..
Edited by: user651567 on Feb 28, 2010 5:30 AM

Please post CREATE TABLE and a few INSERT statements as well as your desired output and your database version.
Always put the tag before and after your examples to keep it formatted.
See the FAQ regarding tags: http://forums.oracle.com/forums/help.jspa (scroll a bit down).
You might want to search this forum first (search box is on right side of screen), since your question has been asked and explained before.
Also, regarding string aggregation. see this link explaining various techniques (depending on database version):
http://www.oracle-base.com/articles/misc/StringAggregationTechniques.php

Row wise total in column cell

Hi,
I would like to access a total(which is a sum of some 25 rows) in another column cell.
How do i do that.
Regards,
Tulsi.

Hi Tulsi,
Create variable
=If [Product]InList("A";"B";"C") Then Sum([Amount]+[Amount2]+[Amount3])
or use this formula
= If [Product]=[Product] Then Sum([Amount]+[Amount2]+[Amount3])
Regards
Mustafa

DAX - IF statement and filters within calculated column

Hi all,
I've got a bit of a complex formula I'm trying to run, but I'm not quite there yet. I don't know where/how/if I can place a filter within my IF statement for a calculated column due to so many variables. I either get errors or wrong numbers.
Hope the following makes sense.
Here is my formula for the calculated column [Years Since Last Task]:
=IF (ISBLANK([Last Task Date]) && ([Current Role]<>BLANK()), DIVIDE([Quarters],4), FLOOR(1. * ( today() - [Last Task Date]) / 365, 0.25))
Problem: I am getting "114.25" for Ken....but I want a blank result instead. Meaning, I need to also filter out any name (row) who has a blank [Current Role]. How do
I add a filter to this current formula? Is one more step of filtering possible in this IF statement? (Maybe I shouldn't use an IF statement, and try CALCULATE instead?)
Below is the table 'Work' for you to see what's happening.
Name
Quarters
Last Task Date
Current Role
Years Since Last Task
John
1
1
0.25
Mike
4
2/7/2011
3
3
Todd
5
4/20/2009
4
5
Jeff
9/1/2013
3
0.5
Ken
0
114.25
Steve
2
12/3/2011
2
2.25
Nate
2
1/1/2014
2
0.25
Greg
1
8/11/2013
1
0.5
Ross
4
11/9/2010
4
3.25
Hope all this made sense. Let me know if you have any thoughts.
Thanks,
~UG1

you can use nested IF-statements here:
=IF (ISBLANK([Current Role]),
BLANK(),
IF(ISBLANK([Last Task Date]),
DIVIDE([Quarters],4),
FLOOR(1. * ( today() - [Last Task Date]) / 365,0.25)
hth,
gerhard
Gerhard Brueckl
blogging @ http://blog.gbrueckl.at
working @ http://www.pmOne.com

Calculated column - non-rolling rowsum where columns are not null

I have a calculated "Year total" column that sums 12 month columns. In our business $0.00 is not the same as null, so i have some columns without numeric data. My calculated column is only working when there is numeric data in all 12 months and i need it to work for rows where some columns are null.
Is there an easy way around this?

Figured out how to do this using the IFNULL function.

Row wise total in editable ALV

hello all,
            I am workin on editable alv, the user need to enter the values in the editable fields and in the last column(non-editable) i need to populate the total row wise,as soon as user enters a value and goes to next editable cell or on entering a vale and press enter.how to accomplish this task...
with regards,
sandeep akella.
Edited by: sandeep akella on Aug 20, 2009 1:58 PM

You need to Implement the OnCellAction event.follow these steps;
1. Goto WDDOMODIFYVIEW and place the following code
IF first_time IS INITIAL.
    DATA lo_cmp_usage TYPE REF TO if_wd_component_usage.
    lo_cmp_usage =   wd_this->wd_cpuse_usg_alv( ).
    IF lo_cmp_usage->has_active_component( ) IS INITIAL.
      lo_cmp_usage->create_component( ).
    ENDIF.
    DATA lo_interfacecontroller TYPE REF TO iwci_salv_wd_table .
    lo_interfacecontroller =   wd_this->wd_cpifc_usg_alv( ).
    DATA lo_value TYPE REF TO cl_salv_wd_config_table.
    lo_value = lo_interfacecontroller->get_model(
    CALL METHOD lo_value->if_salv_wd_table_settings~set_cell_action_event_enabled
     EXPORTING
        value = abap_true.
ENDIF.
2. Implement the onCellAction event as follows;
    Goto Methods tab, create a new method. Method Type- Event Handler , Event - ON_CELL_ACTION
3. Now in this method retrive the contents of the row and calculate the value as follows.
DATA: l_element TYPE REF TO if_wd_context_element.
DATA:ls_stru TYPE wd_this->element_cn_alv.
DATA: l_node TYPE REF TO if_wd_context_node.
l_node = wd_context->get_child_node( 'CN_ALV' ).
l_element = l_node->get_element( r_param->index ).
l_element->get_static_attributes( IMPORTING static_attributes = ls_stru ).
ls_stru-last_col = ls_stru-col1+ls_stru-col2....+ ls_stru-col5. " add all the cells data
l_element->set_static_attributes( exporting static_attributes = ls_stru ).

Discoverer Row wise calculation columns

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