[jira] [Commented] (TAP5-244) Let Grid show column headings when no data

["Jochen Kemnade (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAP5-244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13749904#comment-13749904 ] 

Jochen Kemnade commented on TAP5-244:
-------------------------------------

What about adding a parameter {{renderColumnsIfEmpty}}, defaulting to {{false}} and requiring an explicit model if it is set to {{true}}? We could throw an exception in the case of a missing {{model}} parameter.
If that's documented well, along with an example source code line for creating a model, that would definitely improve the situation IMHO.
                
> Let Grid show column headings when no data
> ------------------------------------------
>
>                 Key: TAP5-244
>                 URL: https://issues.apache.org/jira/browse/TAP5-244
>             Project: Tapestry 5
>          Issue Type: Improvement
>            Reporter: Geoff Callender
>            Priority: Minor
>              Labels: tapestry5-review-for-closing
>
> I would like my Grid to show its column headings even when it is empty (and display the "empty" message below them). I can't see how to do this now.  I've tried null lists and empty lists but the result is the same.
> Can this feature be added and made optional?

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