linhda wrote:

>Hello everyone,
>
>In my code, console shows that error when I run following line code:
>
>bottom = table.bottom();
>
>Could you please explain briefly for me about that Error?
>
Table extends Rectangle, so it also has the bottom() method.
However: as you are constructing the table, iText only knows
about its CONTENT, nothing about its REPRESENTATION.
The representation only comes in to play once you add the table
to a document at which time all positional calculation is done.
That's why the bottom() method throws an UnsupportedOperationException.

Please explain on the mailinglist why you need to know the bottom
position of the table. Depending on your more specific question,
we will be able to point you in the right direction.

In the meanwhile, it doesn't hurt to read these tutorial chapters:
http://itextdocs.lowagie.com/tutorial/objects/tables/
http://itextdocs.lowagie.com/tutorial/objects/tables/pdfptable/
br,
Bruno


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