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https://issues.apache.org/jira/browse/TAPESTRY-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12576974#action_12576974
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Igor Drobiazko commented on TAPESTRY-2132:
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Exactly
> Allow Blocks to render themselves initially
> -------------------------------------------
>
> Key: TAPESTRY-2132
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2132
> Project: Tapestry
> Issue Type: Improvement
> Affects Versions: 5.0.10
> Reporter: Igor Drobiazko
> Fix For: 5.1
>
>
> Initially a block is not rendered. This is quite reasonable for the usecase
> in which you define an empty block for the Grid.
> Now consider following scenario:
> We have a Grid containing an ActionLink for every single row.
> <t:grid t:id="grid" source="users" model="model" row="user">
> <t:parameter name="deleteCell">
> <t:actionlink t:id="delete" zone="deleteZone"
> context="user.id">Delete</t:actionlink>
> </t:parameter>
> </t:grid>
> Clicking on the link I want to delete the user and update the table without
> to refresh the whole page.
> To make a partial response we have several possibilities. Two of them are to
> return a component or a block.
> It would be nice to wrap the table by a block which is rendered initially.
> This block could be returned by the action method.
> Alternatively one could put the Grid into the zone but this doesn't work
> well. Every second click ends in a full refresh of the page.
> The reason is that after the partial response the ActionLinks of the updated
> Grid are not converted into Ajax links.
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