Controlling execution of subreport on main Report in ssrs 2008 R2

Controlling execution of subreport on main Report in ssrs
Hi,
Am using more than 100 subreports in my main report using ssrs 2008 R2.
And given conditional Visibility in sub reports based on the Parameter selection in main Report . But the performance is very very slow in main report.
While selecting single sub report executes in seconds. The same report in main report executes in hours.
According to my view,
All the Sub reports executes and finally conditional visibility is working. Can we Control executing sub reports?
Regards, Gayathri devi P.S. : Please click the 'Mark as Answer' button if a post solves your problem! :)

Hi,
I think the time to render 100 report sure will be long time and the main report want to render those reports.
So first why you do not separate those report on many reports for different purpose.
second if this is a dashboard report you may use many matrix in the same report and the parameters passed by default or based on expression.
I really hope if you make your report as dashboard report, many matrix many parameters render it once. As I remember I think SSRS will try to execute your
DataSets in parallel which will reduce your waiting time.
I hope this is helpful.
Elmozamil Elamir
MyBlog
Please Mark it as Answered if it answered your question
OR mark it as Helpful if it help you to solve your problem
Elmozamil Elamir Hamid
http://elmozamil.blogspot.com

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Hi Brian,
Subreports are a known performance hog.
I would suggest going back to the drawing board and rethinking on the layout of the report. The best thing, of course, would be to completely get rid of the subreports by creating a single SQL statement that takes care of all the report's requirements.
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Hi,
I need your help in passing the value of a running total that is located in the subreport to the main report. The running total in the subreport is getting the maximum of the Effective Date (which it is type in the database is date) for each group and it is value will change on the change of the sequence no. group. I am printing the value at the group footer which displayed correctly. Now my issue is that how to pass the value from the subreport to the main report as a date. I have created a formula that it is having the code:
shared datevar ddd := date(0,0,0);
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Hi Mohammed,
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Crystal Reports 10, Want to pass values from subreports to main report

Post Author: playmkr278
CA Forum: General
Is there a way to just share values out of subreports.
The reason I ask is that I am having problems pulling the correct information in one subreport so I'd like to use 2 subreports to pull out Billable hours on one and Billed Hours on another and then add them together to display on the main report.

Post Author: Jedit
CA Forum: General
Yep there is!
In your sub report
I the formula editor create a shared variable then create the same variable in your main report.
EG
IN your SUB
Create new formular called tothrs etcu2026..
whileprinting records;
shared numbervar tothrs: sum({table.fieldname}]
In Your Main Report
whileprinting records;
shared numbervar tothrs
this passes the value from your sub to the main, check help for different types of format as the one above is only for a number there are others for time & date etc..
hope this helps!
I have been doing a similar exercise myself but got stuck summing the parameter values in my main report, if you solve this let me know?
Please see http://technicalsupport.businessobjects.com/cs/forums/thread/6210.aspx

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Hi,
I am having troble passing an array from a sub report to the main repport. I have managed to create the array, pass it and display it in the main report, however the first value of the array is displayed twice. Here is the formulae I have used:
In the sub report:
whileprintingrecords;
shared stringvar str;
str:=str{@value}","
In the main report:
whileprintingrecords;
shared stringvar str;
stringvar array arr;
arr:=split(str,",");
join(arr,",")
Also, when I have managed to resolve the problem of the first value printing twice, I hope to change the array back to a number array and sum all of the values together. I'm not too sure how to do this either.
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Also if you're looking for the sum, why not create another shared variable and sum the value in the subreport as you're building the array (assuming you need the array for other purposes)?
HTH,
Carl

Passing values from subreport to main report

Dear All,
I have used shared values in my sub report and i want to use that shared variable in my main report in one of the formulas for average calculation but i see the values as 0.
Can someone let me know what I am missing.
Regards,
Sonali

Hi
The most important thing to remember when using shared variables is that Crystal Reports must first evaluate the formula where the value is stored before evaluating the formula that retrieves the shared variable.
For example if you want to pass a grand total from the subreport to do a calculation in the main report, follow these steps:
1. In the subreport, create a formula similar to the one below:
//@SubFormula
//Stores the grand total of the
//{Orders.Order Amount} field
//in a currency variable called 'myTotal'
WhilePrintingRecords;
Shared CurrencyVar myTotal := Sum ({Orders.Order Amount})
2. Place this formula in your subreport.
3. In the main report, create a formula that declares the same variable name:
//@MainFormula
//Returns the value that was stored
//in the shared currency variable called
//myTotal in the subreport
WhilePrintingRecords;
Shared CurrencyVar myTotal;
myTotal
4. Place @MainFormula in a main report section that is beneath the section containing the subreport.
NOTE:
For the shared variable to return the correct value in the main report, you must place @MainFormula in a main report section that is beneath the section containing the subreport. This ensures Crystal Reports evaluates the @SubFormula before @MainFormula.
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//@NewFormula
//includes data from subreport
{@MainFormula} + Sum ({Customer.Last Year's Sales})
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NOTE:
This is not possible with On Demand Subreports in Crystal Reports since the report will not be processed until after clicking report.
Regards
Sourashree

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Hello,
I am having difficulty passing the shared variable from the subreport to the main report. For some reason, when viewing the data, the value for the very first row is returning a 0 but the second row is returning the value that should be in the first row. Does anyone have an idea of what I'm taking about?
Thanks.
Z

In Subreport there is a group based on the client. There is a summarized amount field in this grouping. I placed a formula in the grouping and suppressed it. The suppressed formula is listed below.
{@ store client payments}
WhilePrintingRecords;
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cRelatedPayments := cRelatedPayments+Sum ({amount.amt}.{client.client_number});
cRelatedPayments;
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WhilePrintingRecords;
Shared CurrencyVar cRelatedPayments;
cRelatedPayments;
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Z

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WhilePrintingRecords;
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Thanks for the advice,
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The following will give you an idea
Main Report
----->Sub Report 1
------------>Sub Sub Report 1
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------------>Sub Sub Report 1
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from database and is not like displaying some static text but for the time being ignore this)
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Hi Frank,
According to your description, you want to show the subreport name in the main report. Right?
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requirement, the most effective workaround is having a textbox with go to report Action and passing the report name as parameter back to main report.
If you have any question, please feel free to ask.
Best Regards,
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DB--SQL server
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According to your description, the behavior of cannot view the second page in design view is expected, in another way, there is only one page in design view.
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Hello experts,
I am using CRXI sp2. I have a report that contains two subreports for different dates in the same date field that are identified by a Service Code. The subreports have been placed in the same group footer 1a to be displayed and the calculation resides in the main report group footer 1b. The shared variables are as follows:
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Hi Kevin,
I can reproduce your issue, As per my knowledge the crystal will make some issues in null value computation as well as shared variable computation
In your report i can see , you tried to access values from subreport to main report through shared variable. that will make problem. we can access values from main report to subreport without any issue using shared..dont ask me the reason..i am not the right person to say that... lol.
The another wrong thing i was found in your formula is , you are not resetting the shared variable any where.. so once the date field is null, the shared variable returning the previous value.
So this is the solution for you..
1,You have to add one more subreport for displaying your result., Lets say 'Sub report3'
and create a formula, like.(Same which you have write before for the result)
shared datevar Codedate5473;
shared Datevar Codedate5623;
numbervar daysbetween;
WhilePrintingRecords;
daysbetween:= datediff("d",Codedate5473,Codedate5623);
daysbetween;
2, Re- write your first two formulas like this
For Subreport1,
WhilePrintingRecords;
shared dateVar Codedate5473;
if isnull({Codedate5473}) then
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else
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For subreport2
WhilePrintingRecords;
shared dateVar Codedate5623;
if isnull({Codedate5623}) then
Codedate5623:=date(0,0,0)
else
Codedate5623:=date({Codedate5623});
Hope this will works for you,
Cheers,
Salah.
Edited by: salahudheen muhammed on Aug 7, 2009 1:05 PM

Controlling execution of subreport on main Report in ssrs 2008 R2

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