Would this work?
href="${pc:url('/category/edit.html?category.id=')}${category.id}"
> -----Original Message-----
> From: Adam Hardy [mailto:[EMAIL PROTECTED]
> Sent: Sunday, November 04, 2007 8:07 AM
> To: Struts Users Mailing List
> Subject: EL expressions and string concatenation
>
> This is slightly off-topic but I hope not too much, and there
> is a reference to struts here because I used to do this with
> struts1 taglibs!
>
> I want to concatenate 2 vars into a string in EL but since
> one is a Long, EL can't do it, and throws a
> NumberFormatException because it wants them both to be Longs
> so it can do arithmetic addition instead.
>
> <a href="${pc:url('/category/edit.html?category.id=' + category.id)}"
> title="" class="icon">
> <img src="${pc:url('/images/doc1.png')}" alt=""/> </a>
>
> pc:url is my taglib function that accepts a string parameter.
>
> I see 3 possible solutions:
> - put in a JSTL <url>
> - create a new taglib function that takes parameters for
> URL parameters
> - create a new taglib function that concatenates all types
> into strings
>
> or is there a neat work-around I haven't thought of?
>
> Lastly, is there anyone else taking this minimalist approach
> who would like to open-source this stuff with me?
>
> Thanks
> Adam
>
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