How to make my controller class read contract class ?

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Posted on by Ken Manhattan

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Hi,

When creating SSRS report, I'm adding a selection in my Data Contract Class, which the plan is to determine it will process a detail or a summary report. In the SSRS report it self, it will have 2 design, for detail and summary.

Question is, in my controller class, what should I write to read that result selection from contract class ?

In some blog or thread, I found some example of needed to method preRunModifyContract(). May I know it looks ? and how about the method main().

I used to put the report name and design in this main() method. Something like this:

        controller.parmReportName(ssrsReportStr(ItemSummaryReport,Empty));        controller.parmArgs(_args);        controller.startOperation();

But now what should the main method() need to be written, while we have preRunModifyContract().

Thanks.

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Layan Jwei 8,112 Super User 2025 Season 2 on at

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Hi Ken,

I didn't quite understand the requirement. So are you selecting records from grid and want to pass them to the report? Can you please elaborate more what are you trying to do?

In general to get the contract in the controller class, you need to do this line of code

ContractClass contract = this.parmReportContract().parmRdpContract() as ContractClass;

Also don't forget to define the contract attribute in the RDP class

[SRSReportParameterAttribute(classStr(ContractClass))]

And here's an example on how you can use preRunModifyContract:

https://360dynamics.blogspot.com/2017/10/ax-2012-prerunmodifycontract-method-in.html?m=1

Thanks,

Layan Jweihan

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Ken Manhattan 552 on at

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Hi Layan,

No, the report will run without looking at some record in grid.

In RDP class, I already catch this selection from contract class, so when user select summary, it will run different method, also I created 2 different TempTable. It is something like this:

class SummaryDetailRptRDP extends SrsReportDataProviderPreProcessTempDB { DetailRptTmp detailRptTmp; SummaryRptTmp summaryRptTmp; [SrsReportDataSet(tableStr(MYReportRptTmp))] public DetailRptTmp getDetailRptTmp() { select detailRptTmp; return detailRptTmp; } [SrsReportDataSet(tableStr(MYReportRptTmp))] public SummaryRptTmp getSummaryRptTmp() { select summaryRptTmp; return summaryRptTmp; } public void processReport() { MYRptContract contract = this.parmDataContract() as MYRptContract; fromDate = contract.parmFromDate(); toDate = contract.parmToDate(); isSummary = contract.Summary(); if (!isSummary) { //processing detail this.insertDetailTmp(); } else { //processing summary this.insertSummaryTmp(); } } public void insertDetailTmp() { delete_from detailRptTmp; this.takeOwnershipOfTempTable(detailRptTmp); detailRptTmp.setConnection(this.parmUserConnection()); <logic to insert detail tmp> } public void insertSummaryTmp() { delete_from summaryRptTmp; this.takeOwnershipOfTempTable(summaryRptTmp); summaryRptTmp.setConnection(this.parmUserConnection()); <logic to insert summary tmp> } }

Hope it is correct though. Haven't test because of the controller.

It is just, now I have doubts what would be the controller like. For start, should I create 2 output menu item ? with specifying "parm" ? but I feel odd why I need that, since my mind tell it should be only 1 output menu item and specify only to this controller class, and let controller class read my contract class selection, "similar" to the RDP. But then again, I'm pretty confuse what to do and what method needed and how the code looks like ?

Thanks.

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Martin Dráb 237,880 Most Valuable Professional on at

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When do you decide which report should be used? Your description ("which the plan is to determine it will process a detail or a summary report" and "let controller class read my contract class selection") is completely unclear to me.

Do you want a user to select it in the dialog? To have code in the controller making the decision somehow? Will is it decided by code calling the controller? Or somehow else?

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Ken Manhattan 552 on at

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The selection is in Dialog, hence I put in contract class.

And it will not read any record from any grid. It will just run by call from navigation pane, shows the dialog, there is selection which is just a check box to stated that the user wants Summary. If not check means user wants Detail report.

Hope it is clear.

Thanks.

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Martin Dráb 237,880 Most Valuable Professional on at

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Then using preRunModifyContract() makes sense to me. There you can do something like this:
MyContract contract = this.parmReportContract().parmRdpContract(); str reportName = {condition} ? ssrsReportStr(MyReport, Summary) : ssrsReportStr(MyReport, Detail); this.getReportContract().parmReportName(reportName);

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Ken Manhattan 552 on at

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Hi Martin,

Thanks, I will try. But what should I do inside the main() method ?

Because if I take a look at few samples or blogs, in the main() method also have logic to specified the report and which design ?

If looking at your example for preRunModifyContract() ? it is also have logic to determine report and which design.

Thanks again.

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Martin Dráb 237,880 Most Valuable Professional on at

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main() method is related to your requirement. There you'll just call startOperation() and all the important logic is inside. It's too early to do anything before startOperation() (because user couldn't make a selection yet) and too late after startOperation() (because the report already ran), therefore main() is a wrong place.

The blogs you looked at must have been about different requirements than yours.

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Layan Jwei 8,112 Super User 2025 Season 2 on at

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Hi Ken,

The requirement wasn't very clear.

So based on the contract parameter selection, you need to call a different report design right?

My first reply is still valid.

You still need this line of code to get the contract

ContractClass contract = this.parmReportContract().parmRdpContract() as ContractClass

And the link I showed you on how to use the preRunModifyContract is also valid

Now what you need to do in it is like Martin said.

If(contract.parmDesign()==summary)

{

this.parmReportContract().parmReportName(ssrsReportStr(YourReport, Summary));

}

Else

{

this.parmReportContract().parmReportName(ssrsReportStr(yourReport, Detail));

}

Thanks,

Layan Jweihan

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Ken Manhattan 552 on at

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Hi both,

Sorry, I seems a bit confuse now. After Martin's reply, I tried this, as I kinda get what his mean, about just call start operation in main() method :

class MYRptController extends SrsReportRunController { public static void main(Args _args) { MYRptController controller = new MYRptController(); controller.parmShowDialog(true); controller.startOperation(); } public void preRunModifyContract() { MYRptContract contract = this.parmReportContract().parmRdpContract(); str reportName = contract.Summary() ? ssrsReportStr(MYReport, Summary) : ssrsReportStr(MYReport, Details); this.getReportContract().parmReportName(reportName); } }

It feels right, however got error : "A local variable named 'reportName' cannot be declared in this scope because it would give a different meaning to 'reportName', which is already used in a parent or current scope to denote something else."

Thanks

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Layan Jwei 8,112 Super User 2025 Season 2 on at

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Hi Ken,

Just rename the variable to sth else. Or say reportName=... Without declaring it as it's already defined. Or do like i showed you

contract.Summary()?this.parmReportContract().parmReportName(ssrsReportStr(YourReport, Summary)) : this.parmReportContract().parmReportName(ssrsReportStr(yourReport, Detail));

Thanks,

Layan Jweihan

Please mark this answer as "Verified" if it solved your issue. In order to help others who will face a similar issue in the future

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