Lookup and Mandatory fields on Form using Form event Handlers D365

Lookup and Mandatory fields on Form using Form event Handlers D365

[FormControlEventHandler(formControlStr(VendBankAccounts, VendBankAccount_SLD_BankCode), FormControlEventType::Lookup)]

public static void VendBankAccount_SLD_BankCode_OnLookup(FormControl sender, FormControlEventArgs e)

    {

        Query query = new Query();

        QueryBuildDataSource queryBuildDataSource;

        FormControlCancelableSuperEventArgs event = e as FormControlCancelableSuperEventArgs;

        QueryBuildRange queryBuildRange;

        SysTableLookup sysTableLookup = SysTableLookup::newParameters(tableNum(SLD_BankCodes), sender);

        sysTableLookup.addSelectionField(fieldNum(SLD_BankCodes, BankCodes));

        sysTableLookup.addLookupField(fieldNum(SLD_BankCodes, BankCodes));

        sysTableLookup.addLookupField(fieldNum(SLD_BankCodes, Description));

        queryBuildDataSource = query.addDataSource(tableNum(SLD_BankCodes));

        sysTableLookup.parmQuery(query);

        sysTableLookup.performFormLookup();

        event.CancelSuperCall();

    }

    [FormEventHandler(formStr(VendBankAccounts), FormEventType::Activated)]

    public static void VendBankAccounts_OnActivated(xFormRun sender, FormEventArgs e)

    {

        FormDataSource VendBankAccounts_DS = sender.dataSource(tableStr(VendBankAccount));

        VendBankAccounts_DS.object(fieldNum(VendBankAccount, BankIBAN)).mandatory(true);

        VendBankAccounts_DS.object(fieldNum(VendBankAccount, SLD_BankCode)).mandatory(true);

    }