Rollback button

Hi all!!
I'm trying to include a Rollback button in a form, but it doesn't works.
The UIX code is:
<submitButton text="Cancelar"
model="${bindings.Rollback}"
id="Rollback0"
event="action"
disabled="${createMode}"/>
When i execute the form and test the button i got this error "java.lang.NullPointerException". I have no idea what's happening, because when i put and use a Rollback button in a table it works fine.
Any help will be appreciated.
Roxana

Hi Steven and thank you for your answer. This is the error that apper in the console:
05/06/17 09:30:47 javax.servlet.ServletException
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle$NonRenderingPageBroker.renderError(StrutsUixLifecycle.java:345)
05/06/17 09:30:47      at oracle.cabo.servlet.PageBrokerHandler.handleRequest(Unknown Source)
09:30:47 DEBUG (JhsDataAction) -No commit event in request and multiRowUpdateEvent request param not set, multi-row update NOT executed
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle._runUixController(StrutsUixLifecycle.java:215)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle.processUpdateModel(StrutsUixLifecycle.java:106)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.action.JhsStrutsUixLifecycle.processUpdateModel(JhsStrutsUixLifecycle.java:140)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.processUpdateModel(DataAction.java:317)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.processUpdateModel(JhsDataAction.java:622)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.processUpdateModel(DataAction.java:508)
05/06/17 09:30:47      at oracle.adf.controller.lifecycle.PageLifecycle.handleLifecycle(PageLifecycle.java:112)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle.handleLifecycle(StrutsUixLifecycle.java:70)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.handleLifecycle(DataAction.java:223)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.handleLifecycle(JhsDataAction.java:389)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.execute(DataAction.java:155)
05/06/17 09:30:47      at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
05/06/17 09:30:47      at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
05/06/17 09:30:47      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1485)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.JhsActionServlet.process(JhsActionServlet.java:127)
05/06/17 09:30:47      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:527)
05/06/17 09:30:47      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
05/06/17 09:30:47      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/06/17 09:30:47      at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
05/06/17 09:30:47      at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
05/06/17 09:30:47      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)
05/06/17 09:30:47      at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:239)
05/06/17 09:30:47      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
05/06/17 09:30:47      at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:239)
05/06/17 09:30:47      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
05/06/17 09:30:47      at oracle.jheadstart.controller.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:172)
05/06/17 09:30:47      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:645)
05/06/17 09:30:47      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
05/06/17 09:30:47      at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
05/06/17 09:30:47      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
05/06/17 09:30:47      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
05/06/17 09:30:47      at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
05/06/17 09:30:47      at java.lang.Thread.run(Thread.java:534)
05/06/17 09:30:47 javax.servlet.ServletException
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle$NonRenderingPageBroker.renderError(StrutsUixLifecycle.java:345)
05/06/17 09:30:47      at oracle.cabo.servlet.PageBrokerHandler.handleRequest(Unknown Source)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle._runUixController(StrutsUixLifecycle.java:215)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle.processUpdateModel(StrutsUixLifecycle.java:106)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.action.JhsStrutsUixLifecycle.processUpdateModel(JhsStrutsUixLifecycle.java:140)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.processUpdateModel(DataAction.java:317)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.processUpdateModel(JhsDataAction.java:622)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.processUpdateModel(DataAction.java:508)
05/06/17 09:30:47      at oracle.adf.controller.lifecycle.PageLifecycle.handleLifecycle(PageLifecycle.java:112)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.StrutsUixLifecycle.handleLifecycle(StrutsUixLifecycle.java:70)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.handleLifecycle(DataAction.java:223)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.action.JhsDataAction.handleLifecycle(JhsDataAction.java:389)
05/06/17 09:30:47      at oracle.adf.controller.struts.actions.DataAction.execute(DataAction.java:155)
05/06/17 09:30:47      at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
05/06/17 09:30:47      at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
05/06/17 09:30:47      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1485)
05/06/17 09:30:47      at oracle.jheadstart.controller.strutsadf.JhsActionServlet.process(JhsActionServlet.java:127)
05/06/17 09:30:47      at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:527)
05/06/17 09:30:47      at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
05/06/17 09:30:47      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
05/06/17 09:30:47      at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
05/06/17 09:30:47      at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
05/06/17 09:30:47      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)
05/06/17 09:30:47      at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:239)
05/06/17 09:30:47      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
05/06/17 09:30:47      at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:239)
05/06/17 09:30:47      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
05/06/17 09:30:47      at oracle.jheadstart.controller.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:172)
05/06/17 09:30:47      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:645)
05/06/17 09:30:47      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
05/06/17 09:30:47      at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
05/06/17 09:30:47      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
05/06/17 09:30:47      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
05/06/17 09:30:47      at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
05/06/17 09:30:47      at java.lang.Thread.run(Thread.java:534)
Any ideas?
Thanks in advance
Roxana

Similar Messages

ADF UIX cancel/rollback button?

Hi
We're having a fair amount of trouble implementing a "cancel" button in our ADF UIX application (JDev 10.1.2). Apologies to those who read this same post on the ODTUG mailing list..... I'm hunting for even a hint of an answer before I approach Oracle Support.
To set the scene, we have a parent VO "Departments" with child VOs "Dispatch" and "Agency". Dispatch also has a FK to Agency.
We have a UIX view-screen that displays in a master-detail relationship Departments and Dispatch. From this screen the user can select the edit button, which navigates to an input-form screen to edit the currently selected Dispatch record.
The Dispatch record has effective_from and effective_to dates. The underlying EO has a MethodValidator that ensures the from date <= the to date.
On the edit screen we currently provide 2 buttons, Ok and Cancel. The Ok submitButton is bound to the commit binding, and navigates back to the view page via a struts link on completion.
If the user selects the ok button and MethodValidator returns an error, the edit page's MessageBox displays the error and the user remains at the edit page until they resolve the issue.
Our problems start with the cancel button.
Originally we implemented the Cancel button as a simply "button" that navigated back to the view page. This worked well as the changes are never submitted, and on returning to the view page the record is presented in it's original state before being edited, thus the user's changes have been "cancelled".
However if the user was editing an existing record, entered invalid dates that violated the MethodValidator, clicked ok and saw the MethodValidator error, then clicked cancel, on returning to the view page, any changes to the underlying record are visible including the invalid dates. I believe this occurs because the record has been submitted to the mid-tier by the ok button, and as such the changes now lies in the mid-tier.
Given that a cancel "button" which simply navigates back to the view page is not a viable solution, we decided to investigate using a rollback button on our edit page, which then navigated back to the view page.
There is a nasty side affect in using the rollback functionality, and has been a continuous frustration mentioned on OTN. When rollback is issued, it appears all iterators in the running application have their current row reset to the first element.
This is a pain as in our example this results in not only the Dispatch iterator being reset to the first element, but also the parent Departments iterator, and presumably all other iterators in the application too. This would be an extreme annoyance to the user in every time they selected cancel, they would then need to navigate back to the correct Departments and Dispatch record if they wanted to make a different change.
As such it is necessary to write some code to store the iterator positions before issuing the rollback, rolling-back, then restoring the iterator positions from the saved states.
Luckily we found some code on OTN to do this:
ADF - cancel button not working in input form(add new row)?
This mechanism appeared to work, but, then, we did find one problem.
I described at the beginning that our Dispatch VO is not only related to Departments but also Agency. To cater for this in our edit screen by including a LOV bound <messageList>, which displayed the relating Agencies for the user to select from.
In using the pinched OTN rollback code, in the same scenario as previously, when the user edits a record, invalidates the MethodValidator after clicking ok, then clicks cancel, on returning to the view page, the field in Dispatch that represents the Agency is incorrectly showing a numeric result such as 0, 1, 2 etc. We realised that the value being shown is the previous edit screen's <messageList> internal index number representing the value selected in the list, and not the actual value itself.
We're note sure why the OTN rollback code is causing this to occur. Though it restores the Agency iterator's position, it shouldn't result in the <messageList> index being written to the underlying Dispatch agency field, but rather the value the <messageList> index represents.
It appears to me we're caught between a "rock and a hard-place" here. The simple solution of using a cancel "button" doesn't work when errors are raised. The complex case of using a "rollback" button doesn't work due to the problem with the <messageLists>.
My research on OTN shows the "cancel vs rollback" button is a common frustration. Can somebody help me in providing a satisfactory "cancel" button that I can use throughout my app please?
Many thanks in advance.
Chris Muir

The stack:
Class                     Method
UsrEcvAmpdsViewRowImpl    setAgency
UsrEcvAmpdsViewRowImpl    setAttrInvokeAccessor
ViewRowImpl               setAttribute
DCDataControl             setAttributeInRow
DCJboDataControl          setAttributeInRow
JUCtrlValueBinding        setAttributeInRow
JUCtrlValueBinding        setInputValue
JUCtrlValueBinding        setInputValue
InitModelListener         _setInputValue
InitModelListener         _doModelUpdate
InitModelListener         eventStarted
AbstractPageBroker        _fireUIXRequestEvent
AbstractPageBroker        handleRequest
BaseUIPageBroker          handleRequest
PageBrokerHandler         handleRequest
UIXServlet                doGet
HttpServlet               service
HttpServlet               service
ResourceFilterChain       doFilter
JAZNFilter                doFilter
ServletRequestDispatcher invoke
ServletRequestDispatcher forwardInternal
ServletRequestDispatcher forward
RequestProcessor          doForward
RequestProcessor          processForwardConfig
RequestProcessor          process
ActionServlet             process
ActionServlet             doGet
HttpServlet               service
HttpServlet               service
ResourceFilterChain       doFilter
JAZNFilter                doFilter
ServletRequestDispatcher invoke
ServletRequestDispatcher forwardInternal
ServletRequestDispatcher forward
RequestProcessor          doForward
RequestProcessor          processForwardConfig
RequestProcessor          process
ActionServlet             process
ActionServlet             doGet
HttpServlet               service
HttpServlet               service
ResourceFilterChain       doFilter
JAZNFilter                doFilter
EvermindFilterChain       doFilter
ADFBindingFilter          doFilter
ServletRequestDispatcher invoke
ServletRequestDispatcher forwardInternal
HttpRequestHandler        processRequest
HttpRequestHandler        run
HttpRequestHandler        run
ReleasableResourcePooledExecutor$MyWorker run
Thread runAt a wild guess, InitModelListener is causing the issue, because it's the first place where we can see a setInputValue occuring?
To make this official I've raised a TAR (4613003.992) with Oracle Support with a cut down version of our app to work through the issue.

Parent Table - Child Form(bounded task region)- Commit-Rollback Button's

Hello,
Here's my simple scenario:
Jdev 11.1.1.2
One Am(datacontrol).
One vertical panel splitter
On top A panel collection with a read-only table(employees VO), The table lists just a few of the attributes, so it's really just for browsing, and a toolbar with createinsert, commit and rollback button's.
At bottom: A PanelTab with a bounded task flow - region. The child region(bounded task flow) contains an editable ADF form(same VO) will all attributes available for editing. The form(child region) also contains a 'submit' button (to post changes).
When run the page commit and rollback button are disable. (ok)
Navigation and sincronize between table and task flow works fine because i set partialtrigger. (ok)
When i change some attribute in the form and then press summit button, I want the commit and rollback button's became active..
. . any help would be much appreciated.
Edited by: user7056373 on 08-ene-2010 3:23

Hi Bart,
if your bounded task flow is placed in .jspx using region it is possible to reach binding container of that task flow.
You can use handies by Edwin Biemond:
# // main jsf page
# DCBindingContainer dc = (DCBindingContainer)BindingContext.getCurrent().getCurrentBindingsEntry();
# // taskflow binding
# DCTaskFlowBinding tf = (DCTaskFlowBinding)dc.findExecutableBinding("dynamicRegion1");
# // pagedef of a page fragment
# JUFormBinding form = (JUFormBinding) tf.findExecutableBinding("regions_employee_regionPageDef");
# // handle to binding container of the region.
# DCBindingContainer dcRegion   = form; but ExecuteWithParam works for me in bounded task flow - I think you have mistake in your NDValue="#{pageFlowScope.pclNummer}". you should use $ instead #
regards,
Branislav

Commit/Rollback Buttons Diabled for Pinned Tables?

When I pin a table, the commit/rollback buttons become disabled. Is there a reason for that, or is it a bug?
Java(TM) Platform 1.5.0_12
Oracle IDE 1.5.0.52.03

Finally got some time to let it return. 454 tables takes takes between 9-10 min. I also noticed if I cancel it, SQLDeveloper becomes pretty unresponsive....probably for the remaining 9-10 minutes, but I've been too busy to double check.
As for the Commit/Rollback buttons becoming disabled in 1.5.0, I'm not able to get an exact sequence, it "just seems to start happening". It happens when I have multiple tables pinned. Changes to one will let me commit/rollback, but changes to another will not. The window with the disabled commit/rollback buttons sometimes will not even mark a rownum as changed if it has been updated.
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Enabling JHeadStart to Generate Automatically RollBack Button

How to modify JHeadStart Templates so it generates automatically a Rollback Button in every Uix Page.
Best regards

Medba,
You can make customizations like this in the JHeadstart Generator Templates. For instance, take a look at the dataPage.jut file. You'll find the following section:
<pageButtonBar>
<contents>
$CHILD_NAV_BUTTONS$
$NEW_BUTTON$
$DELETE_BUTTON$
$SAVE_BUTTON$
</contents>
</pageButtonBar>
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Rollback button problem!

Hi! I have ADF form where I can navigate using buttons - Next, Last, ... When I press button New, I go to another page and can create new record, but if I press rollback button I go back to form where I can navigate records and see empty record until I press something! Why so?
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Hi, mkonio! In adfc-config file I have 2 pages (more but that is not important in this case). One is zemniekuSaimniecibas.jspx and Second page is zemSaimnIevade.jspx. Between these pages is control flow caces. New page I open normaly. I create adf form where I can navaigate records. In this form I insert button from Data controls - "Create" button under my view object. I use the same view object in both pages. All pages is in the same task flow! Now are enough details?
I can give You a link to see that:
http://www.arstnieciskieaugi.lv (use IE) in Firefox aren't showDetailItem! I don't know why!?
Press on button "Zemnieku saimniecības" then under form pres on button "Pievienot jaunu Z/S", You will going to create page. Then press "Atgriezties uz Z/S" and You will see what happens. Hope You can help me!
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Edited by: Debuger on Oct 19, 2009 6:14 AM

Commit/Rollback Button, Count Records, Ctrl-End pblm?

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2. How about a quick way to count the records in the result set in sqlworksheet and the data tab?
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4. What about drag and drop selected text in SQL Worksheet?
5. On the table tab (and sub tabs...what are they called?), automatically store the filters and sorts on a user.table level (and maybe a dropdown to recall them)? These are the kind of requests that really improve your efficiency, and acceptance of the product. The user believes that as they use the product, they are building a foundation that can be easily recalled later.
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Create, commit, rollback button behavior

I have a view object dropped as a form. It has the default create, commit and rollback buttons.
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Upon clicking create button again, the form saves the input, clears itself, awaiting next input, and both commit and rollback buttons become enabled. I can continue to add more rows using create button.
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Edited by: paikyunki on Oct 23, 2008 6:31 PM

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I might post the code tomorrow in my office - I am home now. Thanks for your offer.
I gave some thoughts to my problem later, and it seems like one easy way out would be to create a form using ADF Faces components, then write a service method to insert a new row
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I am new to JDev, and this approach of not utilizing the built-in functions of JDev may seem like defeating the very purpose of JDev.
I find Oracle's Business Component's non-gui model very understandable and a strong alternative to Hibernate/Spring.
However, it seems like sometimes it just may be easier, such as in this case, to resort to programmatic way.
What is your view on this? I have used JDev less than 3 wks and would like to hear from experts.
Yunki

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A simple google search reported the following.
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http://adfbugs.blogspot.in/2010/02/rollback-to-same-row-with-view-criteria.html

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Edited by: JDeveloper on Nov 29, 2008 11:38 AM
Edited by: JDeveloper on Nov 29, 2008 11:40 AM

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}You may either conditionlize the above windowClosing method or the code in generated method
private void _popupTransactionDialog()

JBO-35007: Row currency has changed.. when Rollback fom a Dialog page

Hi All,
From a page with an ADF Readonly table, I press 'Edit' button to edit some fields (not all) in an edit page as a Dialog page. Both page use same View Object Instance. Edit page has Commit and Rollback button.
Since it is a dialog page , I add af:returnActionListener to the Rollback button
If I press Commit its fine. But If I press Rollback, when I back to originating page I get this error :
1. JBO-29000: Unexpected exception caught: oracle.jbo.JboException, msg=JBO-35007: Row currency has changed since the user interface was rendered. The expected row key was oracle.jbo.Key[IV 2107 SIU01 ]
2. JBO-35007: Row currency has changed since the user interface was rendered. The expected row key was oracle.jbo.Key[IV 2107 SIU01 ]
How to solve this problem ?
Thank you for your help,
xtanto

Doing a rollback by default clears the caches. This causes view objects to be requeried the next time they are needed, and causes the current row to be reset to the first row in the view object instance's default row set.
This error means that the row that was current when the browse page was rendered is now no longer the current row. Token validation is set on the page definition for a JSF page. By default, token validation is on.
To adjust the setting for token validation:
1. Open the page definition file for the page.
2. In the Structure window, select the root node for the page definition itself.
3. In the Property Inspector, use the dropdown list for the
EnableTokenValidation attribute to set validation to true to turn on token
validation, or false to turn off token validation.
Alternatively, if you cause a partial-page update on the base page, it should update it's notion of the current row and that is another way to avoid this error.

Problem using rollback in master-detail relationship

Hello,
I have an odd error using master-detail relationship, for example: countries and states. This is the problem:
I have 3 pages:
Page A: Read-only table of countries
Page B: Read-only table of states
Page C: State form
and the flow:
1. In the page A, select a country and click button to go to the states page
2. In the page B, select a state and click detail button to go to the state form page
3. In the page C, edit something and click rollback button. The rollback button's action goes to the page B
4. In the page B, the states table is empty but I expected the table contains the same states those were in the step 2
I know it's a bit difficult to understand but I hope someone can help me.
Thanks, edwin.
Edited by: user13259215 on Jun 19, 2012 10:44 PM

On invoking Rollback the whole of AM is refreshed and hence all VOs are refreshed. The first row in all VOs is selected by default. You will need to retain the VO row selections on your own. Check this thread for ideas.
Stay on previous or next row on rollback.

Rollback in Master-Detail form - SOLVED

Hellou.
I have 2 blocks Mater-Detail relation. I execute query and make some changes in Items from block 1 and some changes in items in block 2.There are althoug some POSTs. I have Button "Change Back" and i need to use this button to rollback all changes i have made (All post will be rollbacked). But it always rollback me only DETAIL block items, but MASTER block items didn't rollback.
I use Forms_ddl('rollback')
Althoug I change Session_mode to OFF and perform FULL rollback. But always the same. Master block NO ROLLBACK.
Some ideas???
Message was edited by:
zoffob

I want rollback and continue in query.I guess I don't understand what you are trying to do. Do you simply want to be at the same record when a rollback is issued? If so, this can still be accomplished using CLEAR_FORM() built-in. You simply need to capture the pertinent data so you can return to this record after the Form has been re-queried. For example, the user in on record number 75 when they decide they need to rollback the changes. In your Button trigger, you will need to capture that a rollback was performed and store the current record in a parameter or global variable. When the form is re-queried, check to see if a rollback was done and if so use the GO_BLOCK(), GO_ITEM(), and GO_RECORD() built-ins to return the user to the record they were on when they clicked on the Rollback button.
For Example:
When-Button-Pressed trigger
BEGIN
   /**I prefer to use Forms Parameters to capture Forms unique global variables because
      these values only apply to the current form and shouldn't be visible to other Forms
      in the same session. **/
   :parameter.rollback_issued := 'Y';
   :parameter.current_block := :system.current_block;
   :parameter.current_item := :system.current_item;
   :parameter.current_record := :system.current_record;
   /**If you modified the Data Block's Default Where clause you will want to capture this
       information also. **/
   :parameter.curr_blk_def_where := get_block_property(:system.current_block,DEFAULT_WHERE);
   CLEAR_FORM(NO_COMMIT,FULL_ROLLBACK);
END;Now, in your When-New-Form-Instance or When-New-Block-Instance trigger do something like:
BEGIN
   IF (:parameter.rollback_issued = 'Y') THEN
      :parameter.rollback_issued := 'N';
      set_block_property(:parameter.current_block,DEFAULT_WHERE,:parameter.curr_blk_def_where);
      GO_BLOCK(:parameter.current_block);
      EXECUTE_QUERY;
      GO_ITEM(:parameter.current_item);
      GO_RECORD(:parameter.current_record);
   ELSE
      /** Do what you would normally do here. **/
   END IF;
END;If this is not what you are trying to achieve, please post what you are trying to achieve and why the CLEAR_FORM() method wont work and we'll see if we can help you find a way to achieve what you are trying to do.
Hope this helps.
Craig...

Rollback button

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