If you're using 1.0 b2, give the table and "id" attribute, and then give
your column a body and write the link yourself:
<display:table id="foo">
<display:column>
<a href="mylink?id=<c:out value="${foo.id}"/>...
</display:column>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Monika Adamczyk
> Sent: Monday, January 19, 2004 11:12 AM
> To: [EMAIL PROTECTED]
> Subject: [displaytag-user] problem with sorting column which
> is generated using TableDecorator
>
>
> I have a table decorator that generates a column as an href
> link using more than 1 attribute of the current row object.
>
> The code is something like this:
>
> public class MyHrefDecorator extends TableDecorator
> {
> public String getHref()
> {
> Object o = getCurrentRowObject();
>
> // creates string <a
> href="http://SOMEURL?attribute1=1&attribute2=2";>
> //Name</a>
> String hrefStr = ... o.getAttribute1 ... + o.getAttribute2
>
> return hrefStr
> }
>
> }
>
>
> On the jps page, the column tag is set as follows: <table:column
> title="Header1"
> property="href"
> sortable="true"
> width="400"
> maxLength="400"/>
>
> On initial loading of the page, the table loads and generates
> everything correctly. However if I click on the Header1 to
> sort table by this column, there is NullPointerException in
> my decorator class: Object o = getCurrentRowObject(); - this
> object is null. If I try to sort by other columns (which
> don't use decorators), I don't have a problem with sorting.
>
> I can't use column decorator since I need to build link from
> more than one row object attribute. Can someone suggest how I
> can solve this problem?
>
> Thanks
> Monika
>
>
>
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