[ http://jira.codehaus.org/browse/DISPL-142?page=comments#action_41589 ] 

$remoteUser.fullName commented on DISPL-142:
------------------------

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> Export of nested tables does not work
> -------------------------------------
>
>          Key: DISPL-142
>          URL: http://jira.codehaus.org/browse/DISPL-142
>      Project: DisplayTag
>         Type: Bug
>     Versions: 1.0 RC1
>     Reporter: Matt Dowell
>     Assignee: fabrizio giustina
>      Fix For: 1.0

>
> Original Estimate: 5 hours
>         Remaining: 5 hours
>
> I have a nested table at the end of my report. When I export this, the nested 
> tables switch (after the first row) from your export type (Excel in my case) 
> to HTML. This makes the Excel file ugly at best. 
> We can solve the initial problem by putting this at line 797 of TableTag:
>         if (currentMediaType == null) {
>             this.currentMediaType = 
> (MediaTypeEnum)pageContext.getAttribute(PAGE_ATTRIBUTE_MEDIA);
>         }
> ..but that raises another issue right away, every nested table wants to start 
> thier own export file. So, I think the solution is to re-design the export 
> process and make it smart enough to know wheter it is a nested table or not 
> (does it's parent of type AbstractDisplayColumn). I think the bulk of the 
> work has to be done in this method: 
> writeExport(String mimeType, String exportString, String filename)
> ..but it is a little more difficult to decypher. I am working on it, but the 
> changes will be in my code which contains the dynamic column feature.

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