ADF 11g - Refreshing adf:Table using af:poll and ValueExpressions

Hi,
I am trying refresh an ADF Read-only table with the af:poll component.
I could see the System.out message in console and Browser activity (refreshing) because of af:poll method.
But, the values are not getting updated until I refresh the page manually and removing the "?_adf.ctrl-state=1228194074_3" part from the Browser URL.
Please find the code which I am using:
System.out.println("Updating table");
FacesContext fctx = FacesContext.getCurrentInstance();
*ValueBinding dcb = fctx.getApplication().createValueBinding("#{bindings}");*
DCBindingContainer bindings = (DCBindingContainer)dcb.getValue(fctx);
DCIteratorBinding dciter =bindings.findIteratorBinding("DepartmentsIterator");
Key current_row_key = dciter.getCurrentRow().getKey();
dciter.executeQuery();
dciter.setCurrentRowWithKey(current_row_key.toStringFormat(true));
Also, I could see createValueBinding / ValueBinding is deprecated and replaced by ValueExpression.
Is this causing any issues or is there any working sample of the same in ADF 11g.
thanks & regards,
S.Vasanth Kumar.
JDev Studio Edition Version 11.1.1.0.1
Build JDEVADF_MAIN.BOXER_GENERIC_081203.1854.5188
Edited by: vasanth.s.kumar on May 6, 2009 10:06 PM

Thank you for the help.
But, I am getting NullPointerException after implementing the following code.
RequestContext.getCurrentInstance().addPartialTarget(this.getTable1());
RequestContext.getCurrentInstance().addPartialTarget(this.getTable2());
+"java.lang.NullPointerException+
+For more information, please see the server's error log for+
+an entry beginning with: Server Exception during PPR, #4"+
Please find the complete stack trace attached.
Inside EmployeesBean
Updating table
May 6, 2009 10:34:05 PM oracle.adfinternal.view.faces.config.rich.RegistrationConfigurator handleError
SEVERE: Server Exception during PPR, #1
javax.el.ELException: java.lang.NullPointerException
     at com.sun.el.parser.AstValue.invoke(AstValue.java:161)
     at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1264)
     at org.apache.myfaces.trinidad.component.UIXPoll.broadcast(UIXPoll.java:98)
     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:458)
     at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:763)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:640)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:275)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:175)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:181)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:85)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:279)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:239)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:196)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:139)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at oracle.security.jps.wls.JpsWlsFilter.doFilter(JpsWlsFilter.java:102)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:65)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:149)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(Unknown Source)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: java.lang.NullPointerException
     at org.apache.myfaces.trinidadinternal.context.RequestContextImpl._getNearestPPRTarget(RequestContextImpl.java:770)
     at org.apache.myfaces.trinidadinternal.context.RequestContextImpl.addPartialTarget(RequestContextImpl.java:487)
     at nl.whitehorses.coherence.view.backing.EmployeesBean.refreshTable(EmployeesBean.java:105)
     at nl.whitehorses.coherence.view.backing.EmployeesBean.onPoll(EmployeesBean.java:110)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at com.sun.el.parser.AstValue.invoke(AstValue.java:157)
     ... 38 more
thanks & regards,
S.Vasanth Kumar.

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d loop;
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/Cheers, APCyes, but user_tables was only a example. I want to load some data into nested table using BULK COLLECT and then perform some operation on this pl/sql table.
For example:
SELECT col BULK COLLECT INTO c FROM a_table;
SELECT * BULK COLLECT INTO d FROM TABLE(CAST (c AS sql_type));
--After that c and d contain the same data
--but for example
UPDATE TABLE(CAST(c AS sql_type)) Set c.col=...;
generates invalid table name.
Why SELECT INTO works, and UPDATE doesn't (all of this was in PL/SQL context, not SQL).

How to read XML message present in Table using PL/SQL?

Hi,
How to read XML content present in Table using PL/SQL .And is it possible to parse the xml uisng xslt and insert xml output in same table again ?
Thanks!

Late reply, but hopefully better late than never.
You can possibly do it all via a single SQL statement, such as {message:id=4232077}
XMLTable Syntax can be found at http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/functions228.htm#CIHGGHFB (for 10.2 users) else find your correct version at http://www.oracle.com/technology/documentation/index.html

ADF 11g - Refreshing adf:Table using af:poll and ValueExpressions

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