Af:tree with master-detail doesnt work

Hi,
I created master-detail(used updateable VO's) and test it from the application module and everything worked as expected.
Now I try to show all master and detail data in af:tree component.
At the runtime I can see only master data, but there's no detail data at all. I tried all of this before and everything worked fine, and now I cant get this work.
<!-- jsf page page1.jspx-->
<af:tree value="#{bindings.Master1.treeModel}"
var="node">
<f:facet name="nodeStamp">
<af:outputText value="#{node}"/>
</f:facet>
</af:tree>
<?xml version="1.0" encoding="UTF-8" ?>
<pageDefinition xmlns="http://xmlns.oracle.com/adfm/uimodel"
version="10.1.3.39.84" id="app_page1PageDef"
Package="main.userinterface.pageDefs">
<parameters/>
<executables>
<iterator id="Master1Iterator" RangeSize="10"
Binds="Master1" DataControl="AppModuleServiceDataControl"/>
</executables>
<bindings>
<tree id="Master1" IterBinding="Master1Iterator">
<AttrNames>
<Item Value="IdMaster1"/>
<Item Value="Name"/>
<Item Value="MasterValue1"/>
<Item Value="MasterValue2"/>
<Item Value="MasterValue3"/>
</AttrNames>
<nodeDefinition DefName="main.datamodel.queries.Master1"
id="Master1Node">
<AttrNames>
<Item Value="MasterValue1"/>
</AttrNames>
<Accessors>
<Item Value="Detail1"/>
</Accessors>
</nodeDefinition>
<nodeDefinition DefName="main.datamodel.queries.Detail1"
id="Detail1Node">
<AttrNames>
<Item Value="DetailValue1"/>
</AttrNames>
</nodeDefinition>
</tree>
</bindings>
</pageDefinition>
Thank you in advance.
Alex

Note, that PanelCollection is a naming container. So if you have wrapped your table in a PanelCollection you will have to add PanelCollection's ID to master table's ID when refering the master table as a partial trigger for the detail one. For example, if the value of detail table's partialTriggers attribute has been <tt>partialTriggers="::masterTable"</tt> now it should become <tt>partialTriggers="::pnlColl:materTable"</tt> (supposing that PanelCollection's ID is <tt>pnlColl</tt>).

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    formSubmitted="true"
    partialRenderMode="self"
    data:detailDisclosure="tableDetails@ctrl:eventResult">
    <!-- the key identifying the current row in the table -->
    <bc4j:keyStamp>
    <bc4j:rowKey name="key" />
    </bc4j:keyStamp>
    <contents>
    <!-- placing the region in automatic mode will cause the key
    named child to be rendered, followed by each attribute
    in the ViewObject using the attrStamp named child. -->
    <!-- A bc4j:column element is added for each attribute
    in the ViewObject. -->
    <bc4j:column attrName="PropertyType">
    <columnHeader>
    <bc4j:sortableHeader text="Property Type"/>
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    <bc4j:column attrName="TableName">
    <columnHeader>
    <bc4j:sortableHeader text="Table Name"/>
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    <bc4j:column attrName="Comments" >
    <columnHeader>
    Comments
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    </contents>
    <detail>
    <flowLayout>
    <contents>
    <header text="Properties Detail">
    <contents>
    <spacer width="10"/>
    <bc4j:viewObjectScope name="PropertiesDetailView" >
    <contents>
    <!-- placing the table in automatic mode will cause the table
    to contain the keyStamp named child followed by the
    columnStamp named child for each attribute in the
    ViewObject. -->
    <bc4j:table name="viewTable" automatic="false"
    width="100%" alternateText="No rows found"
    formSubmitted="true"
    partialRenderMode="self">
    <tableSelection>
    <!-- single selection for each row in the table -->
    <singleSelection selectedIndex="0" text="Select Row and ...">
    <contents>
    <submitButton text="Create" ctrl:event="create" />
    <!-- the update button causes the currently selected
    row to be sent to the update page -->
    <submitButton text="Update"
    ctrl:event="update" />
    <!-- the delete button causes the currently selected
    row to be removed -->
    <submitButton text="Delete"
    ctrl:event="delete" />
    </contents>
    </singleSelection>
    </tableSelection>
    <!-- the key identifying the current row in the table -->
    <bc4j:keyStamp>
    <bc4j:rowKey name="key" />
    </bc4j:keyStamp>
    <contents>
    <!-- A bc4j:column element is added for each attribute
    in the ViewObject. -->
    <bc4j:column attrName="PropertyId">
    <columnHeader>
    <bc4j:sortableHeader text="Property Id"/>
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    <bc4j:column attrName="PropertyName">
    <columnHeader>
    <bc4j:sortableHeader text="Property Name"/>
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    <bc4j:column attrName="PropertyDescription">
    <columnHeader>
    <bc4j:sortableHeader text="Property Description"/>
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    <bc4j:column attrName="UnitOfMeasure">
    <columnHeader>
    <bc4j:sortableHeader text="Unit of Measure"/>
    </columnHeader>
    <contents>
    <bc4j:input readOnly="true"/>
    </contents>
    </bc4j:column>
    </contents>
    </bc4j:table>
    </contents>
    </bc4j:viewObjectScope>
    <formValue name="disclosed" value="true" />
    </contents>
    </header>
    </contents>
    </flowLayout>
    </detail>
    </bc4j:table>
    </contents>
    </bc4j:viewObjectScope>
    </contents>
    </form>
    </contents>
    </header>
    </contents>
    </bc4j:rootAppModuleScope>
    </contents>
    </try>
    </contents>
    </viewpage:siriusPageLayout>
    </ctrl:content>
    <handlers>
    <event name="search" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertiesDetailView" >
    <!-- search for the view criteria -->
    <bc4j:findByExample>
    <bc4j:exampleRow ignoreCase="true" >
    <bc4j:exampleAttribute>
    <bc4j:nameBinding><bc4j:parameter name="attrName" /></bc4j:nameBinding>
    <bc4j:valueBinding><bc4j:parameter name="attrValue" /></bc4j:valueBinding>
    </bc4j:exampleAttribute>
    </bc4j:exampleRow>
    </bc4j:findByExample>
    <bc4j:executeQuery/>
    <!-- store the current search criteria as page properties -->
    <bc4j:setPageProperty name="attrName" >
    <bc4j:parameter name="attrName" />
    </bc4j:setPageProperty>
    <bc4j:setPageProperty name="attrValue" >
    <bc4j:parameter name="attrValue" />
    </bc4j:setPageProperty>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="first" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertyTypesMasterView" >
    <!-- navigate to the first department -->
    <bc4j:first/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="previous" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertyTypesMasterView" >
    <!-- navigate to the previous department -->
    <bc4j:previous/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="next" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertyTypesMasterView" >
    <!-- navigate to the next department -->
    <bc4j:next/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="last" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertyTypesMasterView" >
    <!-- navigate to the last department -->
    <bc4j:last/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="sort" source="viewTable" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertiesDetailView" >
    <!-- sort by the submitted attribute name -->
    <bc4j:sort/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="sort" source="viewPropertyTypeTable" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertyTypesMasterView" >
    <!-- sort by the submitted attribute name -->
    <bc4j:sort/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="goto" source="viewPropertyTypeTable" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertyTypesMasterView" >
    <!-- navigate to the submitted range -->
    <bc4j:goto/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="goto" source="viewTable" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertiesDetailView" >
    <!-- navigate to the submitted range -->
    <bc4j:goto/>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    <event name="create" >
    <!-- forward to the create page -->
    <ctrl:go name="InsertProperties" redirect="true" />
    </event>
    <event name="update" >
    <!-- forward to the update page, passing the selected key
    as a page property -->
    <ctrl:go name="UpdateProperties" redirect="true" >
    <ctrl:property name="key" >
    <ctrl:selection name="viewTable" key="key" />
    </ctrl:property>
    </ctrl:go>
    </event>
    <event name="delete" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertiesDetailView" >
    <!-- find the selected Row -->
    <bc4j:findRowByKey>
    <bc4j:keyBinding>
    <bc4j:selectionKey name="viewTable" key="key" />
    </bc4j:keyBinding>
    <bc4j:handlers>
    <!-- remove the selected ViewObject row -->
    <bc4j:removeRow />
    <!-- execute the query to eliminate dead row access -->
    <bc4j:executeQuery/>
    </bc4j:handlers>
    </bc4j:findRowByKey>
    </bc4j:findViewObject>
    <!-- commit the transaction, forwards to self automatically -->
    <bc4j:commit/>
    </bc4j:findRootAppModule>
    </event>
    <event name="show">
    <method class="servlet.showDetails" method="doHideShowEvent" />
    </event>
    <event name="hide">
    <method class="servlet.showDetails" method="doHideShowEvent" />
    </event>
    </handlers>
    </page>
    Update View
    <?xml version="1.0" encoding="windows-1252" ?>
    <page xmlns="http://xmlns.oracle.com/uix/controller"
    xmlns:ctrl="http://xmlns.oracle.com/uix/controller"
    xmlns:ui="http://xmlns.oracle.com/uix/ui"
    xmlns:bc4j="http://xmlns.oracle.com/uix/bc4j"
    xmlns:html="http://www.w3.org/TR/REC-html40"
    xmlns:updatepage="http://www.example.org/siriusbilling/templates">
    <ctrl:head xmlns="http://www.w3.org/TR/REC-html40">
    <title>Update Properties</title>
    </ctrl:head>
    <templates xmlns="http://xmlns.oracle.com/uix/ui">
    <templateImport source="templates/SiriusBilling.uit"/>
    </templates>
    <bc4j:registryDef>
    <bc4j:rootAppModuleDef name="PropertiesForeignKeyLink1AppModule"
    definition="siriusbilling.SiriusBCModule"
    releaseMode="stateful" >
    <bc4j:viewObjectDef name="PropertiesDetailView" >
    <bc4j:rowDef name="UpdatePropertiesDetailView" autoCreate="false" usesCurrency="true">
    <bc4j:propertyKey name="key" />
    </bc4j:rowDef>
    </bc4j:viewObjectDef>
    <!-- Display only 20 rows -->
    <bc4j:viewObjectDef name="PropertyTypesView" rangeSize="20" >
    <bc4j:rowDef name="UpdatePropertyTypesView" autoCreate="false">
    <bc4j:propertyKey name="key" />
    </bc4j:rowDef>
    </bc4j:viewObjectDef>
    </bc4j:rootAppModuleDef>
    </bc4j:registryDef>
    <ctrl:content xmlns="http://xmlns.oracle.com/uix/ui"
    xmlns:data="http://xmlns.oracle.com/uix/ui">
    <updatepage:siriusPageLayout>
    <pageHeader>
    <globalHeader selectedIndex="0">
    <contents>
    <link text="Update Property" />
    </contents>
    </globalHeader >
    </pageHeader>
    <contents>
    <try xmlns="http://xmlns.oracle.com/uix/ui"
    xmlns:data="http://xmlns.oracle.com/uix/ui" >
    <catch>
    <displayException />
    </catch>
    <contents>
    <switcher childName="default">
    <boundAttribute name="childName">
    <if>
    <comparison type="equals">
    <dataObject select="key" source="ctrl:page"/>
    <dataObject source="ui:null"/>
    </comparison>
    <fixed text="error"/>
    </if>
    </boundAttribute>
    <case name="error">
    <header text="Required page property 'Property Type' missing. Cannot display page."/>
    </case>
    <case name="default">
    <flowLayout>
    <contents>
    <!-- this will contain any validation errors after form
    submission -->
    <messageBox automatic="true" />
    <script>
    <contents>
    function UOMLovCallBack(lovwin, event)
    var value = lovwin.returnUOMValue;
    if (value!=(void 0))
    document.updateForm.UnitOfMeasure.value = lovwin.returnUOMValue;
    </contents>
    </script>
    <form name="updateForm" method="POST" >
    <contents>
    <!-- we cannot implicitly determine that events
    will be triggered because submit buttons are
    outside the form scope, so add the placeholder
    explicitly -->
    <formParameter name="event" />
    <!-- layout the fields in two columns -->
    <spacer width="10"/>
    <tableLayout width="80%"
    cellPadding="2"
    hAlign="center">
    <contents>
    <bc4j:rootAppModuleScope name="PropertiesForeignKeyLink1AppModule" >
    <contents>
    <bc4j:viewObjectScope name="PropertiesDetailView" >
    <contents>
    <bc4j:rowScope name="UpdatePropertiesDetailView" >
    <contents>
    <bc4j:messageChoice prompt="Property Type" attrName="PropertyType" name="PropertyType">
    <contents>
    <bc4j:optionList voName="PropertyTypesView" attrName="PropertyType" textAttributeName="PropertyType" size="30"/>
    </contents>
    </bc4j:messageChoice>
    <bc4j:messageInput prompt="Property Id" vAlign="left" attrName="PropertyId" size="30"/>
    <bc4j:messageInput prompt="Property Name" attrName="PropertyName" size="30"/>
    <bc4j:messageInput prompt="Property Description" attrName="PropertyDescription" size="30" />
    <bc4j:messageLovField prompt="Unit Of Measure"
    attrName="UnitOfMeasure"
    name="UnitOfMeasure"
    onClick="openWindow(window,
    'UOMLov.uix',
    'lovwin',
    {width:480, height:300},
    true,
    'dialog',
    UOMLovCallBack);
    return false;" />
    </contents>
    </bc4j:rowScope>
    </contents>
    </bc4j:viewObjectScope>
    </contents>
    </bc4j:rootAppModuleScope>
    </contents>
    </tableLayout>
    </contents>
    </form>
    </contents>
    <contents>
    <contentFooter>
    <contents>
    <html:center>
    <!-- place a row of buttons below the content -->
    <pageButtonBar>
    <contents>
    <!-- the cancel button performs a transaction rollback -->
    <button text="Cancel" ctrl:event="cancel" />
    <!-- the update button submits the user-entered
    form data -->
    <submitButton text="Update" formName="updateForm"
    ctrl:event="apply" />
    </contents>
    </pageButtonBar>
    </html:center>
    </contents>
    </contentFooter>
    </contents>
    </flowLayout>
    </case>
    </switcher>
    </contents>
    </try>
    </contents>
    </updatepage:siriusPageLayout>
    </ctrl:content>
    <handlers>
    <event name="cancel" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- rollback the current transaction -->
    <bc4j:rollback/>
    <!-- forward to the summary page -->
    <ctrl:go name="ViewProperties" redirect="true" />
    </bc4j:findRootAppModule>
    </event>
    <event name="apply" >
    <!-- using the ApplicationModule causes it to be checked out from the
    ApplicationPool. It is released using stateful mode. -->
    <bc4j:findRootAppModule name="PropertiesForeignKeyLink1AppModule" >
    <!-- establish the ViewObject scope -->
    <bc4j:findViewObject name="PropertiesDetailView" >
    <!-- find the row by key, falling back on a new default
    row if the key is not found -->
    <bc4j:findRow name="UpdatePropertiesDetailView" >
    <!-- set each attribute explicitly -->
    <bc4j:setAttribute name="PropertyId" />
    <bc4j:setAttribute name="PropertyType" />
    <bc4j:setAttribute name="PropertyName" />
    <bc4j:setAttribute name="PropertyDescription" />
    <bc4j:setAttribute name="UnitOfMeasure" />
    <!-- commit the transaction -->
    <bc4j:commit/>
    <bc4j:executeQuery/>
    <!-- forward to the summary page -->
    <ctrl:go name="ViewProperties" redirect="true" />
    </bc4j:findRow>
    </bc4j:findViewObject>
    </bc4j:findRootAppModule>
    </event>
    </handlers>
    </page>

    I think the detailDisclosure state needs to be saved and retrieved from the session.
    I'm not sure using a table with singleSelection inside a detail disclosure is supported. Are you doing master-detail inside of detail disclosure? Detail disclosure is not really meant for that. In jdev 10g preview we make hooking up a master-detail easy. Here's a link to some doc about it.
    http://otn.oracle.com/products/jdev/collateral/tutorials/9050/adfuix_tut.html#Create%20a%20Master-Detail%20page

  • Problem with Master -Details forms in seperate pages

    Hi ,
    Below is the scenario:
    I have Institution and a department tables where there is a foreign key relation between the tables. So now i have two entity objects for the 2 tables and 2 view objects(DepartmentView,InstitutionView) from the entity objects.
    I also have a view link between them.I made a master-detail relation between them in the datamodel using the view link.So my appmodule now has getters for the department view,institution view and viewlink.
    I now have a jsp page "createInstitution.jsp" which contains a form for the institution , i have a "next" button on the same jsp which calls a method in my appmodule class .This methods just inserts the record into the Institution view. In this method i am able to see what the user entered in the form by getting the viewrow record like the below code :
    InstitutionViewRowImpl newInstitutionRow=(InstitutionViewRowImpl) getInstitutionView().first();
    The next button navigates to the next page "listDepartments.jsp" which contains the list of departments that are added. This page has a button "Add Department" which takes to to the "addDepartment.jsp" page which shows a form for adding a department. This page also has a button which calls a method in app module class. The method just inserts the record into the view(DepartmentView)
    Here when i say
    DepartmentViewRowImpl newDepartmentRow=(DepartmentViewRowImpl ) getDepartmentView().first();
    the newDepartmentRow is null.
    Also on the addDepartment.jsp form , i had used a output field to see what the parent id was and interestingly the parent id is 75 which is first institution in the database. It should have been "-10" , a temporary id assigned.
    Can someone please tell me what is the problem with my approach?

    I don't understand why you are using a method on your button to insert the record into the table - An Oracle ADF Form will do the insert for you by default without any coding.
    See the create pages in these tutorials:
    http://www.oracle.com/technology/products/jdev/11/cuecards/adf_set_21/ccset21_ALL.html
    http://www.oracle.com/technology/obe/obe11jdev/11/dev_ui/developuserinterface.html#t2s5
    The method that you are calling just returns the first record in the rowset - I don't see how it has anything to do with actually inserting the data into the table.

  • Problem with Master-Detail web page tutorial

    My student asked me about this problem:
    I just completed the following Master-Detail tutorial...
    http://www.oracle.com/technology/products/jdev/collateral/4gl/HO_Workshop/hos1_1/HOS1_1_ADF_Forms_Designer.pdf
    ... The problem here is that when I try to define Order By CUSTOMER_ID in CustomersView the App Module test and the application both fail...
    JBO-30003: The application pool (model.OrderEntryAMLocal) failed to checkout an application module due to the following exception:oracle.jbo.JboException: JBO-29000: Unexpected exception caught: oracle.jbo.JboException, msg=JBO-29000: Unexpected exception caught: oracle.jbo.domain.DataCreationException, msg=JBO-25029: Data class (a domain?) String not found     at oracle.jbo.JboException.<init>(JboException.java:343)     at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:1772)     at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:2611)
    (etc...)
    Note that I can define Order By ORDER_ID in OrdersView without problems.

    Thanks Frank... I had entered just CUSTOMER_ID as you said. After trying this, the App Module is "permanently" broken. It will not work again even if I remove the Order By entry. I was able to use Order By ORDER_ID successfully in the OrdersView. The Order By is not part of the tutorial, but I wanted to use it because I would if this was a real application.
    Message was edited by:
    user463505

  • Performance Problem with Master-Detail Views

    Hi,
    I have developed a JSP-Applikcation with the master-detail views.
    I would like to report a bad performance at fetching data records from the detail view, because all records
    from master view have firstly to be retrieved to locate right row (rangesize="-1"). The number of records in
    the master table ist 2500 and 7000 in detail table.
    ============= Code Snippets (See HOWTO:Navigate using Data Tags of J. Oropeza) =====
    <jbo:DataSource id="dsMaster appid=testAppId viewobject="MaterView" rangesize="-1">
    <jbo:RefreshDataSource datasource="dsMaster">
    <jbo:Row id="msRow" datasource="dsMaster" action="Find" rowkeyparam="RowkeyValue">
    <jbo:dataSource id="dsDetail" appid="testAppId viewobject="DetailView">
    ======================================================================
    When rangesize="20" sets, performance is good, but the right row location of master view ist not found if the row
    is not positoned in this range (No data from detail view object are displayed).
    How can I improve the performance?
    Many thanks for your help.
    regards,
    Yoo

    Sung:
    Thank you for your suggestion.
    According to your suggestion I have changed my BC4J/JSP-application. However, the performance ist still bad.Whenn I click on a row retrieved from the master view, it takes 15 seconds until the associated data in detail view will be displayed on the other window (The application has been deployed on the test system of ISP).
    In an other case with much less data (162 master and 228 detail rows), it takes only 2 seconds (The application
    goes with the local server and DB of our company).
    ======================== master.jsp =================================
    <jbo:DataSource id="dsMaster appid=testAppId viewobject="MaterView" >
    <a href="detail.jsp?RowKeyValue=<jbo:ShowValue datasource="dsMaster" dataitem="RowKey"/>">
    Here Click
    </a>
    ======================== detail.jsp ======================================
    <jbo:DataSource id="dsMaster appid=testAppId viewobject="MaterView">
    <jbo:RefreshDataSource datasource="dsMaster">
    <jbo:Row id="msRow" datasource="dsMaster" action="Find" rowkeyparam="RowkeyValue">
    <jbo:dataSource id="dsDetail" appid="testAppId viewobject="DetailView">
    How do you think of this coding (My application is based on the document How to of J. Oropeza)?
    How can I increase the performance independently of the number of rows?
    Many thanks for your help.
    regards,
    Yoo

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