what is render variable
Answers were Sorted based on User's Feedback
Answer / vanthian
As far as i know
Render variales are generally created to conditionally
render a particular page or chart or list or block etc...
Though the purpose of the render variable is to hide the
particular item..we can't say that it is use to hide a
particular item...
Consider a scenario..
You have created two list reports for two countries
List1 is for both country1 and country2
List2 is for country 2 alone
List1 is created from the query1
List2 is created from the query2
Now u create a conditional string variable called 'Country'
which uses country name as a parameter
Now u associate Variable 'Country' as render variable for
List1 and List2
Now whenever u run the report..when u select country1 then
automatically the two queries will be rendered to the two
list and the two lists will be displayed
But when u select Country2 as parameter then only Query2
will be rendered and the list2 will be displayed in cognos
viewer window...
Note...
When u use Conditional variable u r just hiding the output
from the user..but in the backend the two queries will be
processed by cognos....hence ur precious time will be
wasted..
But when u r using the render variable only the Queries
which satisfies the parameter will be rendered and hence
the other queries will not be processed in backend by cognos
I hope this helps you
Is This Answer Correct ? | 50 Yes | 1 No |
Answer / s sri harsha mediboyina
Render variable is something like hiding(rendering)
anything using a variable(Condition)
Is This Answer Correct ? | 32 Yes | 3 No |
Render Variable: - Specify a variable based on which object
can be conditionally rendered.
Example for Render Variable:--
if the case is like you want to see the particular page in
HTML or PDF or CSV format then
1)Create 3 pages in your report
2)every page conatins some specific data
3)name these pages as HTML PDF CSV
4)create a String vaiable with 3 values as HTML PDF and CSV
5)now in string variable put expression as .....
case
when ReportOutput() 'HTML' then 'HTML'
when ReportOutput() 'PDF' then 'PDF'
when ReportOutput() 'CSV' then 'CSV'
end
6)now go the page named HTML and select page object
7)in properties pane click on Render Variable select that
string variable
8)check only HTML check box value for HTML page
9)repeat step No. 6 to step No.8 for remaining 2 pages.
now run the report :-)
hope it will answer your question .
regards
vij
Is This Answer Correct ? | 22 Yes | 3 No |
Answer / subhash
when u want to hide the column based on some condition then
we will go to the render variable option.
Is This Answer Correct ? | 25 Yes | 12 No |
Answer / sirisha
Render Variable: - Specify a variable based on which object
can be conditionally rendered.
Example for Render Variable:--
if the case is like you want to see the particular page in
HTML or PDF or CSV format then
1)Create 3 pages in your report
2)every page conatins some specific data
3)name these pages as HTML PDF CSV
4)create a String vaiable with 3 values as HTML PDF and CSV
5)now in string variable put expression as .....
case
ReportOutput()
6)now go the page named HTML and select page object
7)in properties pane click on Render Variable select that
string variable
8)check only HTML check box value for HTML page
9)repeat step No. 6 to step No.8 for remaining 2 pages.
now run the report u can see what ever type of Format u
rendered........
This is the right answer for u r question.
Regards
Sirisha
Is This Answer Correct ? | 7 Yes | 2 No |
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