Axapta D365新表单未填充值

需要显示一个区域的所有部分。我创建了新表单PMCContractAreasDialog。当我在合同表单中点击特定的合同行时，它会打开新表单并显示一个区域的所有部分。总之，合同行上应该有相同的内容。但每次我点击按钮时，表单都是空的。我错过什么了吗

[Form]
public class PMCContractAreasDialog extends FormRun
{

    [FormObservable]
    date                                currWorkingDate;

    [FormObservable]
    boolean                             commonAreasRead;

    PMERentalObjectAreaValueCl          tmpRentalAreaCl;
    PMETmpRentalObjectArea              tmpArea;


    public void init ()
    {
        super();

        pmcContractLine_ds.linkActive();

    }

    public void activate(boolean _active)
    {
        PMCContractArea contractArea;
        AmountMST sumContractArea;


        pmcContractLine_ds.readCommonAreas(pmcContractLine);
        h1_h2.realValue(pmcContractLine_ds.h1_h2(pmcContractLine));
        efa.realValue(pmcContractLine_ds.efa(pmcContractLine));
        bfa.realValue(pmcContractLine_ds.bfa(pmcContractLine));
        mfa.realValue(pmcContractLine_ds.mfa(pmcContractLine));
        sumArea.realValue(h1_h2.realValue() + efa.realValue() + bfa.realValue() + mfa.realValue());

    }

    [DataSource]
    class PMCContract
    {
        public int active()
        {
            int ret;

            ret = super();

            return ret;
        }

    }

    [DataSource]
    class PMCContractLine
    {
        public int active()
        {
            int ret;

            ret = super();

            return ret;
        }

        display PMEAreaCommonBuildingSum BFA(PMCContractLine _contractLine)
        {
            if (commonAreasRead)
            {
                if (_contractLine.RentalObjectId)
                {
                    return PMERentalObjectAreaCl::getRentalObjectCommonAreaBuildingSum(_contractLine.RentalObjectId, currWorkingDate, tmpArea, false);
                }
                else
                {
                    return 0;
                }
            }

            return 0;
        }

        void readCommonAreas(PMCContractLine _contractLine)
        {
            if (!commonAreasRead)
            {
                if (pmcContractLine.RentalObjectId)
                {
                    tmpRentalAreaCl = new PMERentalObjectAreaValueCl();

                    tmpRentalAreaCl.clear();
                    tmpRentalAreaCl.getRentalObjectAreas(_contractLine.RentalObjectId, PMGUser::find().currDate());
                    tmpArea.setTmpData(tmpRentalAreaCl.getTempTable());

                    commonAreasRead = true;
                }
            }

        }

        //BP Deviation Documented
        display PMEAreaCommonSectionSum EFA(PMCContractLine _contractLine)
        {
            if (commonAreasRead)
            {
                if (_contractLine.RentalObjectId)
                {
                    return PMERentalObjectAreaCl::getRentalObjectCommonAreaSectionSum(_contractLine.RentalObjectId, currWorkingDate, tmpArea, false);
                }
                else
                {
                    return 0;
                }
            }

            return 0;

        }

        //BP Deviation Documented
        display PMEAreaTotal H1_H2(PMCContractLine _contractLine)
        {
            if (commonAreasRead)
            {
                if (_contractLine.RentalObjectId)
                {
                    return PMERentalObjectAreaCl::getRentalObjectMainAreaSectionSum(_contractLine.RentalObjectId, currWorkingDate, tmpArea, false);
                }
                else
                {
                    return 0;
                }
            }

            return 0;        
        }

        //BP Deviation Documented
        display PMEAreaTotal MFA(PMCContractLine _contractLine)
        {
            if (commonAreasRead)
            {
                if (_contractLine.RentalObjectId)
                {
                    return PMERentalObjectAreaCl::getRentalObjectCommonAreaFixedSum(_contractLine.RentalObjectId, currWorkingDate, tmpArea, false);
                }
                else
                {
                    return 0;
                }
            }

            return 0;
        }

    }

    [DataSource]
    class PMCContractArea
    {
        public void delete()
        {
            super();
            this.updateLines();
        }

        public void write()
        {
            super();
            this.updateLines();

        }

        void updateLines()
        {
            ;
            PMCContractArea::updateLineAreas(pmcContractArea.ContractId, pmcContractArea.RentalObjectId);
        }

    }

}