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https://issues.apache.org/jira/browse/TAPESTRY-1901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship reassigned TAPESTRY-1901:
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Assignee: Howard M. Lewis Ship
> Grid component calls prepare() and getRowValue() with incorrect values
> ----------------------------------------------------------------------
>
> Key: TAPESTRY-1901
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1901
> Project: Tapestry
> Issue Type: Bug
> Components: Core Components
> Affects Versions: 5.0.6
> Environment: Debian Lenny, Sun JDK 1.6, Jetty, Tapestry 5.0.6
> Reporter: Andy Huhn
> Assignee: Howard M. Lewis Ship
>
> I have a grid defined with rowsPerPage = 2. When there are 3 elements in the
> GridDataSource, the user clicks the "2" link to display page 2. (So that
> there is only one element displaying). The user clicks an action link that
> has the following event handler defined:
> public ListAccount onActionFromDel( Integer prmRId ) {
> _DAO.delByRId(prmRId);
> return( _listAccount );
> }
> (ListAccount is the current page class).
> As the Grid attempts to re-render itself, it calls getAvailableRows() on the
> GridDataSource, and getAvailableRows() correctly returns 2.
> The Grid should automatically go to page 1 since there are only 2 rows
> available and rowsPerPage is set to 2. However, instead, the Grid calls
> prepare() with firstResult = 2 and lastResult = 1. After this, the Grid calls
> getRowValue() with a negative value.
> Note that the problem goes away if I add a line to the event handler:
> public ListAccount onActionFromDel( Integer prmRId ) {
> _DAO.delByRId(prmRId);
> _listAccount._actList.setCurrentPage( 1 ); <------ this line solves
> the problem
> return( _listAccount );
> }
> But I don't believe this should be necessary.
> Thanks,
> Andy
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