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From "John C Cartwright" <John.C.Cartwri...@noaa.gov>
Subject Re: <c:if> and boolean value
Date Thu, 06 Feb 2003 17:33:59 GMT
Thanks for the suggestion, Tim.  I actually did buy Shawn's book (in PDF 
form), I just haven't quite gotten familiar with it to remember all the 
resources that are there.  Still used to hard-copy, I guess :-) .

-- john

Tim Kettering wrote:

>John,
>
>Download the PDF at this URL and keep it around:
>
>http://www.manning.com/bayern/appendixA.pdf
>
>I've found it quite useful in terms of referencing JSTL tags, and for finding examples
>of how such tags are written.  I certainly wish it had a bit more examples, but I suppose
thats why you buy the book, as Bayern would like.  :)
>
>-tim 
>
>
>On Thursday, February 06, 2003, at 11:51AM, John C Cartwright <John.C.Cartwright@noaa.gov>
wrote:
>
>  
>
>>That works great, thanks to both Tim and Pierre.  One follow up question 
>>though - is there a <c:else> tag to go with the <c:if>?
>>
>>Thanks again!
>>
>>-- john
>>
>>Timothy Kettering wrote:
>>
>>    
>>
>>>Yeah, that occured to me after I sent off the email and was sitting on 
>>>the couch watching Law & Order on TNT.  Somehow I just couldn't be 
>>>bothered enough to go back to the computer and follow up on it.  :)  
>>>Anyway, more ways to skin the proverbial cat...
>>>
>>>-tim
>>>
>>>On Wednesday, February 5, 2003, at 09:37 PM, Pierre Delisle wrote:
>>>
>>>      
>>>
>>>>Try the following:
>>>>
>>>>   <c:if test="${mapservice.running}">
>>>>
>>>>[What Timothy suggested would also work, but there is no need
>>>>to test against true, since you already have a boolean expression
>>>>for your test.]
>>>>
>>>>    -- Pierre
>>>>
>>>>
>>>>Timothy Kettering wrote:
>>>>
>>>>        
>>>>
>>>>>offhand, id say you should be doing this.  (enclose the entire
>>>>>evaluation in the curly braces)
>>>>>
>>>>><c:if test="${mapservice.running == true}">
>>>>>
>>>>>On Wednesday, February 5, 2003, at 08:23 PM, John C Cartwright wrote:
>>>>>
>>>>>          
>>>>>
>>>>>>Hello All,
>>>>>>
>>>>>>I have a isRunning() method in my bean that returns a boolean.  I'm
>>>>>>try to test against that value with something like the following:
>>>>>>
>>>>>><c:if test="${mapservice.running} == true">
>>>>>><img src="../images/TransGear.gif" width="20" height="20">
>>>>>></c:if>
>>>>>>
>>>>>>The problem is that even though the bean's getter method is properly
>>>>>>returning the true value (I can print it into the HTML page), the
>>>>>>above conditional always fails.  Can someone point out what I'm doing
>>>>>>wrong?
>>>>>>
>>>>>>JSTL v.1.2, core library.
>>>>>>
>>>>>>Thanks!
>>>>>>
>>>>>>-- john
>>>>>>
>>>>>>=====================================================
>>>>>>John Cartwright
>>>>>>Associate Scientist
>>>>>>Geospatial Data Services Group
>>>>>>CIRES, National Geophysical Data Center/NOAA
>>>>>>(303) 497-6284
>>>>>>John.C.Cartwright@noaa.gov
>>>>>>=====================================================
>>>>>>
>>>>>>            
>>>>>>
>>-- 
>>=====================================================
>>John Cartwright
>>Associate Scientist
>>Geospatial Data Services Group
>>CIRES, National Geophysical Data Center/NOAA
>>(303) 497-6284
>>John.C.Cartwright@noaa.gov
>>=====================================================
>>
>>
>>
>>
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>>
>>
>>    
>>
>
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>  
>


-- 
=====================================================
John Cartwright
Associate Scientist
Geospatial Data Services Group
CIRES, National Geophysical Data Center/NOAA
(303) 497-6284
John.C.Cartwright@noaa.gov
=====================================================




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