Controller Class in Dynamic AX

Controller Class

public static CustController construct(Args _args)

{

    CustController controller=new CustController();

    controller.parmArgs(_args);

    return controller;

}

/**********************************************************************/

public static void main(Args _args)

{

    CustController controller = new CustController();

    controller.parmReportName(#ReportName);

    controller.parmArgs(_args);

    controller.setRange(_args, controller.parmReportContract().parmQueryContracts().lookup(controller.getFirstQueryContractKey()));

    controller.parmShowDialog(false);

    controller.startOperation();

 }

/****************************************************/

public boolean showQueryValues(str parameterName)

{

    return true;

}

/*****************************************************/

public void setRange(Args _args, Query _query)

{

    QueryBuildDataSource qbds;

    QueryBuildRange qbr;

    if (_args && _args.dataset())

    {

        switch(_args.dataset())

        {

            case tableNum(CustTable) :

                CustTable = _args.record();

                break;

        }

    }

    qbds = _query.dataSourceTable(tableNum(CustTable));

    qbds.clearRanges();

    qbr = qbds.findRange(fieldName2id(tableNum(CustTable),fieldStr(CustTable, AccountNum)));

    if (!qbr)

    {

        qbr = qbds.addRange(fieldNum(CustTable, AccountNum));

    }

    if(CustTable)

    {

        qbr.value(CustTable.AccountNum);

    }

}

/**********************************************************/

protected void prePromptModifyContract()

{

      super();

}

/************************************************************************/

class CustController extends SrsReportRunController

{

    #define.ReportName('CustReport.PrecisionDesign1')

    SRSRDPCustTableContractClass sRSRDPCustTableContractClass;

    CustTable custTable ;

 }

Contract Class in Dynamic AX

Contract Class

class SRSRDPCustTableContractClass
{
AccountNum accountNum;
}
______________________________________________
Add one more parm method to it as shown below 

[DataMemberAttribute("AccountNum")]
public AccountNum parmAccountNum(AccountNum _accountNum = accountNum)
{
accountNum = _accountNum;
return accountNum;
}